31113014312 has 8 divisors (see below), whose sum is σ = 58336901850. Its totient is φ = 15556507152.

The previous prime is 31113014243. The next prime is 31113014357. The reversal of 31113014312 is 21341031113.

It can be written as a sum of positive squares in only one way, i.e., 17357008516 + 13756005796 = 131746^2 + 117286^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1944563387 + ... + 1944563402.

Almost surely, 2^31113014312 is an apocalyptic number.

It is an amenable number.

31113014312 is a deficient number, since it is larger than the sum of its proper divisors (27223887538).

31113014312 is a wasteful number, since it uses less digits than its factorization.

31113014312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889126795 (or 3889126791 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31113014312 its reverse (21341031113), we get a palindrome (52454045425).

The spelling of 31113014312 in words is "thirty-one billion, one hundred thirteen million, fourteen thousand, three hundred twelve".