32231321220232 has 32 divisors (see below), whose sum is σ = 64765639598400. Its totient is φ = 14998358637504.

The previous prime is 32231321220223. The next prime is 32231321220233. The reversal of 32231321220232 is 23202212313223.

It is a super-2 number, since 2×32231321220232² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32231321220232.

It is not an unprimeable number, because it can be changed into a prime (32231321220233) 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, 2367158382 + ... + 2367171997.

It is an arithmetic number, because the mean of its divisors is an integer number (2023926237450).

Almost surely, 2^{32231321220232} is an apocalyptic number.

It is an amenable number.

32231321220232 is an abundant number, since it is smaller than the sum of its proper divisors (32534318378168).

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

32231321220232 is a wasteful number, since it uses less digits than its factorization.

32231321220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734330445 (or 4734330441 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 32231321220232 its reverse (23202212313223), we get a palindrome (55433533533455).

The spelling of 32231321220232 in words is "thirty-two trillion, two hundred thirty-one billion, three hundred twenty-one million, two hundred twenty thousand, two hundred thirty-two".