31132123332032 has 28 divisors (see below), whose sum is σ = 63908076455880. Its totient is φ = 15029300918016.

The previous prime is 31132123331989. The next prime is 31132123332067. The reversal of 31132123332032 is 23023332123113.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 31132123331986 and 31132123332004.

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, 8386884818 + ... + 8386888529.

Almost surely, 2^{31132123332032} is an apocalyptic number.

31132123332032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31132123332032 is an abundant number, since it is smaller than the sum of its proper divisors (32775953123848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31132123332032 is a wasteful number, since it uses less digits than its factorization.

31132123332032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16773773388 (or 16773773378 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 31132123332032 its reverse (23023332123113), we get a palindrome (54155455455145).

The spelling of 31132123332032 in words is "thirty-one trillion, one hundred thirty-two billion, one hundred twenty-three million, three hundred thirty-two thousand, thirty-two".