321100133131232 has 96 divisors (see below), whose sum is σ = 778072602267072. Its totient is φ = 127024986599424.

The previous prime is 321100133131207. The next prime is 321100133131241. The reversal of 321100133131232 is 232131331001123.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101281988 + ... + 104404220.

It is an arithmetic number, because the mean of its divisors is an integer number (8104922940282).

Almost surely, 2^{321100133131232} is an apocalyptic number.

321100133131232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

321100133131232 is an abundant number, since it is smaller than the sum of its proper divisors (456972469135840).

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

321100133131232 is a wasteful number, since it uses less digits than its factorization.

321100133131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157580 (or 3157572 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 321100133131232 its reverse (232131331001123), we get a palindrome (553231464132355).

The spelling of 321100133131232 in words is "three hundred twenty-one trillion, one hundred billion, one hundred thirty-three million, one hundred thirty-one thousand, two hundred thirty-two".