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31301033140132 = 2277195009165721
BaseRepresentation
bin1110001110111110101101…
…11101100001111110100100
311002211100102211002011112121
413013133112331201332210
513100314003440441012
6150323255054355324
76410265531536140
oct707372675417644
9132740384064477
1031301033140132
119a7876a211768
1236164247bbb44
1314608a05a7bc2
147a2d99c2c220
15394329779a07
hex1c77d6f61fa4

31301033140132 has 48 divisors (see below), whose sum is σ = 63484836791040. Its totient is φ = 13225569638400.

The previous prime is 31301033140127. The next prime is 31301033140171. The reversal of 31301033140132 is 23104133010313.

It is a junction number, because it is equal to n+sod(n) for n = 31301033140097 and 31301033140106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188795032 + ... + 188960752.

It is an arithmetic number, because the mean of its divisors is an integer number (1322600766480).

Almost surely, 231301033140132 is an apocalyptic number.

It is an amenable number.

31301033140132 is an abundant number, since it is smaller than the sum of its proper divisors (32183803650908).

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

31301033140132 is a wasteful number, since it uses less digits than its factorization.

31301033140132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260812 (or 260810 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31301033140132 its reverse (23104133010313), we get a palindrome (54405166150445).

The spelling of 31301033140132 in words is "thirty-one trillion, three hundred one billion, thirty-three million, one hundred forty thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 71 142 284 497 994 1988 95009 165721 190018 331442 380036 662884 665063 1160047 1330126 2320094 2660252 4640188 6745639 11766191 13491278 23532382 26982556 47064764 47219473 82363337 94438946 164726674 188877892 329453348 15744986489 31489972978 62979945956 110214905423 220429810846 440859621692 1117894040719 2235788081438 4471576162876 7825258285033 15650516570066 31301033140132