331340021032132 has 48 divisors (see below), whose sum is σ = 663343611840000. Its totient is φ = 141860683275264.

The previous prime is 331340021032129. The next prime is 331340021032151. The reversal of 331340021032132 is 231230120043133.

It is a super-2 number, since 2×331340021032132² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 331340021032132.

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, 798338844 + ... + 798753772.

It is an arithmetic number, because the mean of its divisors is an integer number (13819658580000).

Almost surely, 2^{331340021032132} is an apocalyptic number.

It is an amenable number.

331340021032132 is an abundant number, since it is smaller than the sum of its proper divisors (332003590807868).

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

331340021032132 is a wasteful number, since it uses less digits than its factorization.

331340021032132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443428 (or 443426 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 331340021032132 its reverse (231230120043133), we get a palindrome (562570141075265).

The spelling of 331340021032132 in words is "three hundred thirty-one trillion, three hundred forty billion, twenty-one million, thirty-two thousand, one hundred thirty-two".