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31110323122 = 2113907151771
BaseRepresentation
bin11100111110010100…
…011101101110110010
32222022010120011100201
4130332110131232302
51002203220314442
622143014105414
72150641245334
oct347624355662
988263504321
1031110323122
1112214a6a24a
12604294b26a
132c1a41b728
141711ab3454
15c2134d7b7
hex73e51dbb2

31110323122 has 16 divisors (see below), whose sum is σ = 47130669792. Its totient is φ = 15400405440.

The previous prime is 31110323021. The next prime is 31110323159. The reversal of 31110323122 is 22132301113.

It is a self number, because there is not a number n which added to its sum of digits gives 31110323122.

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, 129097 + ... + 280867.

It is an arithmetic number, because the mean of its divisors is an integer number (2945666862).

Almost surely, 231110323122 is an apocalyptic number.

31110323122 is a deficient number, since it is larger than the sum of its proper divisors (16020346670).

31110323122 is a wasteful number, since it uses less digits than its factorization.

31110323122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152793.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31110323122 its reverse (22132301113), we get a palindrome (53242624235).

The spelling of 31110323122 in words is "thirty-one billion, one hundred ten million, three hundred twenty-three thousand, one hundred twenty-two".

Divisors: 1 2 113 226 907 1814 102491 151771 204982 303542 17150123 34300246 137656297 275312594 15555161561 31110323122