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31400334204 = 22312132157209
BaseRepresentation
bin11101001111100110…
…110001001101111100
310000001100021020202220
4131033212301031330
51003301441143304
622231454045340
72161062302601
oct351746611574
9100040236686
1031400334204
1112353740928
126103aa9850
132c6552ca15
14173c4066a8
15c3ba37ad9
hex74f9b137c

31400334204 has 24 divisors (see below), whose sum is σ = 73327882320. Its totient is φ = 10458144384.

The previous prime is 31400334179. The next prime is 31400334221. The reversal of 31400334204 is 40243300413.

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, 1064049 + ... + 1093160.

It is an arithmetic number, because the mean of its divisors is an integer number (3055328430).

Almost surely, 231400334204 is an apocalyptic number.

It is an amenable number.

31400334204 is an abundant number, since it is smaller than the sum of its proper divisors (41927548116).

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

31400334204 is a wasteful number, since it uses less digits than its factorization.

31400334204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158429 (or 2158427 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31400334204 its reverse (40243300413), we get a palindrome (71643634617).

The spelling of 31400334204 in words is "thirty-one billion, four hundred million, three hundred thirty-four thousand, two hundred four".

Divisors: 1 2 3 4 6 12 1213 2426 3639 4852 7278 14556 2157209 4314418 6471627 8628836 12943254 25886508 2616694517 5233389034 7850083551 10466778068 15700167102 31400334204