31113424312 has 16 divisors (see below), whose sum is σ = 61408074600. Its totient is φ = 14737937760.

The previous prime is 31113424249. The next prime is 31113424339. The reversal of 31113424312 is 21342431113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102346639 + ... + 102346942.

Almost surely, 2^31113424312 is an apocalyptic number.

It is an amenable number.

31113424312 is a deficient number, since it is larger than the sum of its proper divisors (30294650288).

31113424312 is a wasteful number, since it uses less digits than its factorization.

31113424312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204693606 (or 204693602 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 31113424312 its reverse (21342431113), we get a palindrome (52455855425).

The spelling of 31113424312 in words is "thirty-one billion, one hundred thirteen million, four hundred twenty-four thousand, three hundred twelve".