331312221001300 has 144 divisors (see below), whose sum is σ = 899837903438208. Its totient is φ = 102864332390400.

The previous prime is 331312221001253. The next prime is 331312221001327. The reversal of 331312221001300 is 3100122213133.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81732309 + ... + 85690108.

It is an arithmetic number, because the mean of its divisors is an integer number (6248874329432).

Almost surely, 2^{331312221001300} is an apocalyptic number.

It is an amenable number.

331312221001300 is an abundant number, since it is smaller than the sum of its proper divisors (568525682436908).

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

331312221001300 is a wasteful number, since it uses less digits than its factorization.

331312221001300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167422706 (or 167422699 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 331312221001300 its reverse (3100122213133), we get a palindrome (334412343214433).

The spelling of 331312221001300 in words is "three hundred thirty-one trillion, three hundred twelve billion, two hundred twenty-one million, one thousand, three hundred".