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31110100131112 = 23139227123245413
BaseRepresentation
bin1110001001011011000100…
…11101111001110100101000
311002011002121100221100101221
413010231202131321310220
513034201441113143422
6150055441021351424
76360426165665152
oct704554235716450
9132132540840357
1031110100131112
119a047a0538042
1235a5419708574
131448892893062
14797a45dddad2
1538e3a23163c7
hex1c4b62779d28

31110100131112 has 32 divisors (see below), whose sum is σ = 59009904223200. Its totient is φ = 15375111637824.

The previous prime is 31110100131083. The next prime is 31110100131113. The reversal of 31110100131112 is 21113100101113.

It is not an unprimeable number, because it can be changed into a prime (31110100131113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61370283 + ... + 61875130.

It is an arithmetic number, because the mean of its divisors is an integer number (1844059506975).

Almost surely, 231110100131112 is an apocalyptic number.

It is an amenable number.

31110100131112 is a deficient number, since it is larger than the sum of its proper divisors (27899804092088).

31110100131112 is a wasteful number, since it uses less digits than its factorization.

31110100131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123245785 (or 123245781 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 31110100131112 its reverse (21113100101113), we get a palindrome (52223200232225).

The spelling of 31110100131112 in words is "thirty-one trillion, one hundred ten billion, one hundred million, one hundred thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 139 227 278 454 556 908 1112 1816 31553 63106 126212 252424 123245413 246490826 492981652 985963304 17131112407 27976708751 34262224814 55953417502 68524449628 111906835004 137048899256 223813670008 3888762516389 7777525032778 15555050065556 31110100131112