31232443232 has 12 divisors (see below), whose sum is σ = 61488872676. Its totient is φ = 15616221600.

The previous prime is 31232443159. The next prime is 31232443261. The reversal of 31232443232 is 23234423213.

It is a junction number, because it is equal to n+sod(n) for n = 31232443195 and 31232443204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488006894 + ... + 488006957.

It is an arithmetic number, because the mean of its divisors is an integer number (5124072723).

Almost surely, 2^31232443232 is an apocalyptic number.

31232443232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31232443232 is a deficient number, since it is larger than the sum of its proper divisors (30256429444).

31232443232 is an equidigital number, since it uses as much as digits as its factorization.

31232443232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976013861 (or 976013853 counting only the distinct ones).

The product of its digits is 20736, while the sum is 29.

Adding to 31232443232 its reverse (23234423213), we get a palindrome (54466866445).

The spelling of 31232443232 in words is "thirty-one billion, two hundred thirty-two million, four hundred forty-three thousand, two hundred thirty-two".