31077231339 has 32 divisors (see below), whose sum is σ = 52715174400. Its totient is φ = 16144010400.

The previous prime is 31077231301. The next prime is 31077231347. The reversal of 31077231339 is 93313277013.

It is not a de Polignac number, because 31077231339 - 2¹³ = 31077223147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31077231297 and 31077231306.

It is not an unprimeable number, because it can be changed into a prime (31077231389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1361472 + ... + 1384109.

It is an arithmetic number, because the mean of its divisors is an integer number (1647349200).

Almost surely, 2^31077231339 is an apocalyptic number.

31077231339 is a deficient number, since it is larger than the sum of its proper divisors (21637943061).

31077231339 is a wasteful number, since it uses less digits than its factorization.

31077231339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745616 (or 2745602 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 39.

The spelling of 31077231339 in words is "thirty-one billion, seventy-seven million, two hundred thirty-one thousand, three hundred thirty-nine".