31164969448 has 16 divisors (see below), whose sum is σ = 58437018180. Its totient is φ = 15581764608.

The previous prime is 31164969443. The next prime is 31164969467. The reversal of 31164969448 is 84496946113.

It can be written as a sum of positive squares in 2 ways, for example, as 30513801124 + 651168324 = 174682^2 + 25518^2 .

It is not an unprimeable number, because it can be changed into a prime (31164969443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123786 + ... + 278662.

Almost surely, 2^31164969448 is an apocalyptic number.

It is an amenable number.

31164969448 is a deficient number, since it is larger than the sum of its proper divisors (27272048732).

31164969448 is a wasteful number, since it uses less digits than its factorization.

31164969448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180036 (or 180032 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 55.

The spelling of 31164969448 in words is "thirty-one billion, one hundred sixty-four million, nine hundred sixty-nine thousand, four hundred forty-eight".