33231136764 has 24 divisors (see below), whose sum is σ = 88616364928. Its totient is φ = 9494610480.

The previous prime is 33231136739. The next prime is 33231136769. The reversal of 33231136764 is 46763113233.

It is a super-2 number, since 2×33231136764² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33231136769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197804302 + ... + 197804469.

Almost surely, 2^33231136764 is an apocalyptic number.

It is an amenable number.

33231136764 is an abundant number, since it is smaller than the sum of its proper divisors (55385228164).

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

33231136764 is a wasteful number, since it uses less digits than its factorization.

33231136764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395608785 (or 395608783 counting only the distinct ones).

The product of its digits is 163296, while the sum is 39.

Adding to 33231136764 its reverse (46763113233), we get a palindrome (79994249997).

The spelling of 33231136764 in words is "thirty-three billion, two hundred thirty-one million, one hundred thirty-six thousand, seven hundred sixty-four".