31032100330012 has 12 divisors (see below), whose sum is σ = 54665819125456. Its totient is φ = 15413294865600.

The previous prime is 31032100329953. The next prime is 31032100330031. The reversal of 31032100330012 is 21003300123013.

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, 25688824173 + ... + 25688825380.

Almost surely, 2^{31032100330012} is an apocalyptic number.

It is an amenable number.

31032100330012 is a deficient number, since it is larger than the sum of its proper divisors (23633718795444).

31032100330012 is a wasteful number, since it uses less digits than its factorization.

31032100330012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51377649708 (or 51377649706 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31032100330012 its reverse (21003300123013), we get a palindrome (52035400453025).

The spelling of 31032100330012 in words is "thirty-one trillion, thirty-two billion, one hundred million, three hundred thirty thousand, twelve".