31616149734976 has 21 divisors (see below), whose sum is σ = 62738386392801. Its totient is φ = 15808052376192.

The previous prime is 31616149734959. The next prime is 31616149734977. The reversal of 31616149734976 is 67943794161613.

The square root of 31616149734976 is 5622824.

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

It can be written as a sum of positive squares in only one way, i.e., 20848721281600 + 10767428453376 = 4566040^2 + 3281376^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31616149734977) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 44631166 + ... + 45334018.

It is an arithmetic number, because the mean of its divisors is an integer number (2987542209181).

Almost surely, 2^{31616149734976} is an apocalyptic number.

31616149734976 is the 5622824-th square number.

It is an amenable number.

31616149734976 is a deficient number, since it is larger than the sum of its proper divisors (31122236657825).

31616149734976 is an frugal number, since it uses more digits than its factorization.

31616149734976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405718 (or 702855 counting only the distinct ones).

The product of its digits is 123451776, while the sum is 67.

The spelling of 31616149734976 in words is "thirty-one trillion, six hundred sixteen billion, one hundred forty-nine million, seven hundred thirty-four thousand, nine hundred seventy-six".