31349206416 has 80 divisors (see below), whose sum is σ = 90402428160. Its totient is φ = 9278828160.

The previous prime is 31349206411. The next prime is 31349206463. The reversal of 31349206416 is 61460294313.

It is not an unprimeable number, because it can be changed into a prime (31349206411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667686 + ... + 713093.

It is an arithmetic number, because the mean of its divisors is an integer number (1130030352).

Almost surely, 2^31349206416 is an apocalyptic number.

It is an amenable number.

31349206416 is an abundant number, since it is smaller than the sum of its proper divisors (59053221744).

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

31349206416 is a wasteful number, since it uses less digits than its factorization.

31349206416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380844 (or 1380838 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 31349206416 in words is "thirty-one billion, three hundred forty-nine million, two hundred six thousand, four hundred sixteen".