31133022032 has 40 divisors (see below), whose sum is σ = 69440632896. Its totient is φ = 13245325056.

The previous prime is 31133021993. The next prime is 31133022047. The reversal of 31133022032 is 23022033113.

It is a junction number, because it is equal to n+sod(n) for n = 31133021995 and 31133022013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999158 + ... + 1029845.

Almost surely, 2^31133022032 is an apocalyptic number.

It is an amenable number.

31133022032 is an abundant number, since it is smaller than the sum of its proper divisors (38307610864).

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

31133022032 is a wasteful number, since it uses less digits than its factorization.

31133022032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029155 (or 2029149 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31133022032 its reverse (23022033113), we get a palindrome (54155055145).

The spelling of 31133022032 in words is "thirty-one billion, one hundred thirty-three million, twenty-two thousand, thirty-two".