31323593152 has 28 divisors (see below), whose sum is σ = 62163417456. Its totient is φ = 15660369920.

The previous prime is 31323593051. The next prime is 31323593183. The reversal of 31323593152 is 25139532313.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1238877 + ... + 1263907.

It is an arithmetic number, because the mean of its divisors is an integer number (2220122052).

Almost surely, 2^31323593152 is an apocalyptic number.

31323593152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31323593152 is a deficient number, since it is larger than the sum of its proper divisors (30839824304).

31323593152 is a wasteful number, since it uses less digits than its factorization.

31323593152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44596 (or 44586 counting only the distinct ones).

The product of its digits is 72900, while the sum is 37.

The spelling of 31323593152 in words is "thirty-one billion, three hundred twenty-three million, five hundred ninety-three thousand, one hundred fifty-two".