31426720792492 has 24 divisors (see below), whose sum is σ = 55283290013952. Its totient is φ = 15631695973200.

The previous prime is 31426720792469. The next prime is 31426720792589. The reversal of 31426720792492 is 29429702762413.

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, 24486234 + ... + 25737697.

It is an arithmetic number, because the mean of its divisors is an integer number (2303470417248).

Almost surely, 2^{31426720792492} is an apocalyptic number.

It is an amenable number.

31426720792492 is a deficient number, since it is larger than the sum of its proper divisors (23856569221460).

31426720792492 is a wasteful number, since it uses less digits than its factorization.

31426720792492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50224749 (or 50224747 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 31426720792492 in words is "thirty-one trillion, four hundred twenty-six billion, seven hundred twenty million, seven hundred ninety-two thousand, four hundred ninety-two".