33023031132 has 96 divisors (see below), whose sum is σ = 94872605184. Its totient is φ = 8705952000.

The previous prime is 33023031091. The next prime is 33023031157. The reversal of 33023031132 is 23113032033.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 33023031099 and 33023031108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4037407 + ... + 4045577.

It is an arithmetic number, because the mean of its divisors is an integer number (988256304).

Almost surely, 2^33023031132 is an apocalyptic number.

It is an amenable number.

33023031132 is an abundant number, since it is smaller than the sum of its proper divisors (61849574052).

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

33023031132 is a wasteful number, since it uses less digits than its factorization.

33023031132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11899 (or 11897 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 33023031132 its reverse (23113032033), we get a palindrome (56136063165).

Subtracting from 33023031132 its reverse (23113032033), we obtain a palindrome (9909999099).

The spelling of 33023031132 in words is "thirty-three billion, twenty-three million, thirty-one thousand, one hundred thirty-two".