31347386346 has 32 divisors (see below), whose sum is σ = 65350290240. Its totient is φ = 10014973056.

The previous prime is 31347386327. The next prime is 31347386393. The reversal of 31347386346 is 64368374313.

It is a junction number, because it is equal to n+sod(n) for n = 31347386295 and 31347386304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038891 + ... + 1068638.

It is an arithmetic number, because the mean of its divisors is an integer number (2042196570).

Almost surely, 2^31347386346 is an apocalyptic number.

31347386346 is an abundant number, since it is smaller than the sum of its proper divisors (34002903894).

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

31347386346 is a wasteful number, since it uses less digits than its factorization.

31347386346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107638.

The product of its digits is 2612736, while the sum is 48.

The spelling of 31347386346 in words is "thirty-one billion, three hundred forty-seven million, three hundred eighty-six thousand, three hundred forty-six".