30131011312 has 40 divisors (see below), whose sum is σ = 58714585776. Its totient is φ = 14978966016.

The previous prime is 30131011307. The next prime is 30131011343. The reversal of 30131011312 is 21311013103.

It is a super-2 number, since 2×30131011312² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 7395708 + ... + 7399780.

Almost surely, 2^30131011312 is an apocalyptic number.

It is an amenable number.

30131011312 is a deficient number, since it is larger than the sum of its proper divisors (28583574464).

30131011312 is a wasteful number, since it uses less digits than its factorization.

30131011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6625 (or 6619 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 30131011312 its reverse (21311013103), we get a palindrome (51442024415).

The spelling of 30131011312 in words is "thirty billion, one hundred thirty-one million, eleven thousand, three hundred twelve".