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131034434322440 = 235111755731450579
BaseRepresentation
bin11101110010110011010100…
…111010010100000000001000
3122011221202210000200112110102
4131302303110322110000020
5114133332010141304230
61142404215455304532
736412632302315225
oct3562632472240010
9564852700615412
10131034434322440
113882a434129240
1212843426b1b148
13581665680533c
14245015994094c
15102378dda2045
hex772cd4e94008

131034434322440 has 128 divisors (see below), whose sum is σ = 341160795561600. Its totient is φ = 44765494702080.

The previous prime is 131034434322437. The next prime is 131034434322469. The reversal of 131034434322440 is 44223434430131.

131034434322440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 131034434322394 and 131034434322403.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11558930 + ... + 19891649.

It is an arithmetic number, because the mean of its divisors is an integer number (2665318715325).

Almost surely, 2131034434322440 is an apocalyptic number.

131034434322440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131034434322440 is an abundant number, since it is smaller than the sum of its proper divisors (210126361239160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131034434322440 is a wasteful number, since it uses less digits than its factorization.

131034434322440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31451175 (or 31451171 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 131034434322440 its reverse (44223434430131), we get a palindrome (175257868752571).

The spelling of 131034434322440 in words is "one hundred thirty-one trillion, thirty-four billion, four hundred thirty-four million, three hundred twenty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 17 20 22 34 40 44 55 68 85 88 110 136 170 187 220 340 374 440 557 680 748 935 1114 1496 1870 2228 2785 3740 4456 5570 6127 7480 9469 11140 12254 18938 22280 24508 30635 37876 47345 49016 61270 75752 94690 104159 122540 189380 208318 245080 378760 416636 520795 833272 1041590 2083180 4166360 31450579 62901158 125802316 157252895 251604632 314505790 345956369 534659843 629011580 691912738 1069319686 1258023160 1383825476 1729781845 2138639372 2673299215 2767650952 3459563690 4277278744 5346598430 5881258273 6919127380 10693196860 11762516546 13838254760 17517972503 21386393720 23525033092 29406291365 35035945006 47050066184 58812582730 70071890012 87589862515 117625165460 140143780024 175179725030 192697697533 235250330920 297805532551 350359450060 385395395066 595611065102 700718900120 770790790132 963488487665 1191222130204 1489027662755 1541581580264 1926976975330 2382444260408 2978055325510 3275860858061 3853953950660 5956110651020 6551721716122 7707907901320 11912221302040 13103443432244 16379304290305 26206886864488 32758608580610 65517217161220 131034434322440