31012334112 has 48 divisors (see below), whose sum is σ = 83139460992. Its totient is φ = 10117497600.

The previous prime is 31012334069. The next prime is 31012334123. The reversal of 31012334112 is 21143321013.

It is a tau number, because it is divible by the number of its divisors (48).

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, 3432139 + ... + 3441162.

It is an arithmetic number, because the mean of its divisors is an integer number (1732072104).

Almost surely, 2^31012334112 is an apocalyptic number.

31012334112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31012334112 is an abundant number, since it is smaller than the sum of its proper divisors (52127126880).

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

31012334112 is a wasteful number, since it uses less digits than its factorization.

31012334112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6873361 (or 6873353 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31012334112 its reverse (21143321013), we get a palindrome (52155655125).

The spelling of 31012334112 in words is "thirty-one billion, twelve million, three hundred thirty-four thousand, one hundred twelve".