31367149344 has 96 divisors (see below), whose sum is σ = 96869183040. Its totient is φ = 9840669696.

The previous prime is 31367149271. The next prime is 31367149349. The reversal of 31367149344 is 44394176313.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 31367149344.

It is not an unprimeable number, because it can be changed into a prime (31367149349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053094 + ... + 1082469.

It is an arithmetic number, because the mean of its divisors is an integer number (1009053990).

Almost surely, 2^31367149344 is an apocalyptic number.

31367149344 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31367149344 is an abundant number, since it is smaller than the sum of its proper divisors (65502033696).

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

31367149344 is a wasteful number, since it uses less digits than its factorization.

31367149344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135599 (or 2135585 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The spelling of 31367149344 in words is "thirty-one billion, three hundred sixty-seven million, one hundred forty-nine thousand, three hundred forty-four".