31164827148 has 144 divisors (see below), whose sum is σ = 100300898880. Its totient is φ = 7935846912.

The previous prime is 31164827143. The next prime is 31164827149. The reversal of 31164827148 is 84172846113.

31164827148 is a `hidden beast` number, since 311 + 64 + 8 + 271 + 4 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (31164827143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69015 + ... + 259022.

It is an arithmetic number, because the mean of its divisors is an integer number (696534020).

Almost surely, 2^31164827148 is an apocalyptic number.

It is an amenable number.

31164827148 is an abundant number, since it is smaller than the sum of its proper divisors (69136071732).

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

31164827148 is a wasteful number, since it uses less digits than its factorization.

31164827148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328096 (or 328091 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The spelling of 31164827148 in words is "thirty-one billion, one hundred sixty-four million, eight hundred twenty-seven thousand, one hundred forty-eight".