31364672136 has 64 divisors (see below), whose sum is σ = 90150036480. Its totient is φ = 8907666240.

The previous prime is 31364672111. The next prime is 31364672137. The reversal of 31364672136 is 63127646313.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (31364672137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530910 + ... + 587021.

It is an arithmetic number, because the mean of its divisors is an integer number (1408594320).

Almost surely, 2^31364672136 is an apocalyptic number.

It is an amenable number.

31364672136 is an abundant number, since it is smaller than the sum of its proper divisors (58785364344).

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

31364672136 is a wasteful number, since it uses less digits than its factorization.

31364672136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118114 (or 1118110 counting only the distinct ones).

The product of its digits is 326592, while the sum is 42.

The spelling of 31364672136 in words is "thirty-one billion, three hundred sixty-four million, six hundred seventy-two thousand, one hundred thirty-six".