31323000032 has 24 divisors (see below), whose sum is σ = 61675116552. Its totient is φ = 15659478400.

The previous prime is 31323000029. The next prime is 31323000043. The reversal of 31323000032 is 23000032313.

It is a super-2 number, since 2×31323000032² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 206282 + ... + 324342.

It is an arithmetic number, because the mean of its divisors is an integer number (2569796523).

Almost surely, 2^31323000032 is an apocalyptic number.

31323000032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31323000032 is a deficient number, since it is larger than the sum of its proper divisors (30352116520).

31323000032 is a wasteful number, since it uses less digits than its factorization.

31323000032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126362 (or 126354 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 31323000032 its reverse (23000032313), we get a palindrome (54323032345).

The spelling of 31323000032 in words is "thirty-one billion, three hundred twenty-three million, thirty-two", and thus it is an aban number.