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31503040340034 = 23172399128742533
BaseRepresentation
bin1110010100110110111111…
…00001110110000001000010
311010112122212001021011200010
413022123133201312001002
513112121211311340114
6151000144050005350
76431006464442664
oct712333741660102
9133478761234603
1031503040340034
11a046400a9795a
123649600576856
1314769546c2613
147aca80720534
153996ee034c59
hex1ca6df876042

31503040340034 has 32 divisors (see below), whose sum is σ = 66740129625600. Its totient is φ = 9879186935552.

The previous prime is 31503040339933. The next prime is 31503040340053. The reversal of 31503040340034 is 43004304030513.

It is a junction number, because it is equal to n+sod(n) for n = 31503040339983 and 31503040340010.

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, 64126569 + ... + 64615964.

It is an arithmetic number, because the mean of its divisors is an integer number (2085629050800).

Almost surely, 231503040340034 is an apocalyptic number.

31503040340034 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31503040340034 is an abundant number, since it is smaller than the sum of its proper divisors (35237089285566).

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

31503040340034 is a wasteful number, since it uses less digits than its factorization.

31503040340034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128744954.

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 31503040340034 its reverse (43004304030513), we get a palindrome (74507344370547).

The spelling of 31503040340034 in words is "thirty-one trillion, five hundred three billion, forty million, three hundred forty thousand, thirty-four".

Divisors: 1 2 3 6 17 34 51 102 2399 4798 7197 14394 40783 81566 122349 244698 128742533 257485066 386227599 772455198 2188623061 4377246122 6565869183 13131738366 308853336667 617706673334 926560010001 1853120020002 5250506723339 10501013446678 15751520170017 31503040340034