31232232032 has 24 divisors (see below), whose sum is σ = 62354495952. Its totient is φ = 15396169600.

The previous prime is 31232232029. The next prime is 31232232077. The reversal of 31232232032 is 23023223213.

It is a junction number, because it is equal to n+sod(n) for n = 31232231989 and 31232232007.

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, 6871019 + ... + 6875562.

It is an arithmetic number, because the mean of its divisors is an integer number (2598103998).

Almost surely, 2^31232232032 is an apocalyptic number.

31232232032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31232232032 is a deficient number, since it is larger than the sum of its proper divisors (31122263920).

31232232032 is a wasteful number, since it uses less digits than its factorization.

31232232032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13746662 (or 13746654 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31232232032 its reverse (23023223213), we get a palindrome (54255455245).

The spelling of 31232232032 in words is "thirty-one billion, two hundred thirty-two million, two hundred thirty-two thousand, thirty-two".