31323004330232 has 16 divisors (see below), whose sum is σ = 59034936920640. Its totient is φ = 15580354484736.

The previous prime is 31323004330207. The next prime is 31323004330249. The reversal of 31323004330232 is 23203340032313.

It is a super-2 number, since 2×31323004330232² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31323004330195 and 31323004330204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10143458408 + ... + 10143461495.

It is an arithmetic number, because the mean of its divisors is an integer number (3689683557540).

Almost surely, 2^{31323004330232} is an apocalyptic number.

It is an amenable number.

31323004330232 is a deficient number, since it is larger than the sum of its proper divisors (27711932590408).

31323004330232 is a wasteful number, since it uses less digits than its factorization.

31323004330232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20286920102 (or 20286920098 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 29.

Adding to 31323004330232 its reverse (23203340032313), we get a palindrome (54526344362545).

The spelling of 31323004330232 in words is "thirty-one trillion, three hundred twenty-three billion, four million, three hundred thirty thousand, two hundred thirty-two".