31324511344 has 40 divisors (see below), whose sum is σ = 70974485120. Its totient is φ = 13112584128.

The previous prime is 31324511293. The next prime is 31324511353. The reversal of 31324511344 is 44311542313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3247314 + ... + 3256945.

It is an arithmetic number, because the mean of its divisors is an integer number (1774362128).

Almost surely, 2^31324511344 is an apocalyptic number.

It is an amenable number.

31324511344 is an abundant number, since it is smaller than the sum of its proper divisors (39649973776).

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

31324511344 is a wasteful number, since it uses less digits than its factorization.

31324511344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504317 (or 6504311 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The spelling of 31324511344 in words is "thirty-one billion, three hundred twenty-four million, five hundred eleven thousand, three hundred forty-four".