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31334031142 = 2412771379503
BaseRepresentation
bin11101001011101001…
…110101111100100110
32222212201111201001221
4131023221311330212
51003133002444032
622221125010554
72156325604321
oct351351657446
988781451057
1031334031142
111231a275407
1260a5853a5a
132c54886b3b
1417336a77b8
15c35cdc597
hex74ba75f26

31334031142 has 16 divisors (see below), whose sum is σ = 48321266112. Its totient is φ = 15229702080.

The previous prime is 31334031137. The next prime is 31334031161. The reversal of 31334031142 is 24113043313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667038 + ... + 712465.

It is an arithmetic number, because the mean of its divisors is an integer number (3020079132).

Almost surely, 231334031142 is an apocalyptic number.

31334031142 is a deficient number, since it is larger than the sum of its proper divisors (16987234970).

31334031142 is a wasteful number, since it uses less digits than its factorization.

31334031142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379823.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31334031142 its reverse (24113043313), we get a palindrome (55447074455).

The spelling of 31334031142 in words is "thirty-one billion, three hundred thirty-four million, thirty-one thousand, one hundred forty-two".

Divisors: 1 2 41 82 277 554 11357 22714 1379503 2759006 56559623 113119246 382122331 764244662 15667015571 31334031142