31810149316 has 63 divisors (see below), whose sum is σ = 62162123583. Its totient is φ = 14243350440.

The previous prime is 31810149281. The next prime is 31810149331. The reversal of 31810149316 is 61394101813.

It is a happy number.

The square root of 31810149316 is 178354.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 474778315 + ... + 474778381.

Almost surely, 2^31810149316 is an apocalyptic number.

31810149316 is the 178354-th square number.

It is an amenable number.

31810149316 is a deficient number, since it is larger than the sum of its proper divisors (30351974267).

31810149316 is an frugal number, since it uses more digits than its factorization.

31810149316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 31810149316 in words is "thirty-one billion, eight hundred ten million, one hundred forty-nine thousand, three hundred sixteen".