32313132156 has 12 divisors (see below), whose sum is σ = 75397308392. Its totient is φ = 10771044048.

The previous prime is 32313132151. The next prime is 32313132179. The reversal of 32313132156 is 65123131323.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×32313132156² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32313132151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1346380495 + ... + 1346380518.

Almost surely, 2^32313132156 is an apocalyptic number.

It is an amenable number.

32313132156 is an abundant number, since it is smaller than the sum of its proper divisors (43084176236).

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

32313132156 is a wasteful number, since it uses less digits than its factorization.

32313132156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692761020 (or 2692761018 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

Adding to 32313132156 its reverse (65123131323), we get a palindrome (97436263479).

The spelling of 32313132156 in words is "thirty-two billion, three hundred thirteen million, one hundred thirty-two thousand, one hundred fifty-six".