3100031312 has 20 divisors (see below), whose sum is σ = 6864355296. Its totient is φ = 1328584800.

The previous prime is 3100031303. The next prime is 3100031339. The reversal of 3100031312 is 2131300013.

It is a super-2 number, since 2×3100031312² = 19220388270760882688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 13839314 + ... + 13839537.

Almost surely, 2^3100031312 is an apocalyptic number.

It is an amenable number.

3100031312 is an abundant number, since it is smaller than the sum of its proper divisors (3764323984).

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

3100031312 is a wasteful number, since it uses less digits than its factorization.

3100031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27678866 (or 27678860 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 3100031312 is about 55677.9248176510. The cubic root of 3100031312 is about 1458.1046450595.

Adding to 3100031312 its reverse (2131300013), we get a palindrome (5231331325).

The spelling of 3100031312 in words is "three billion, one hundred million, thirty-one thousand, three hundred twelve".