331020032231312 has 20 divisors (see below), whose sum is σ = 643846842854796. Its totient is φ = 164866008268800.

The previous prime is 331020032231209. The next prime is 331020032231323. The reversal of 331020032231312 is 213132230020133.

It can be written as a sum of positive squares in 2 ways, for example, as 311584489883536 + 19435542347776 = 17651756^2 + 4408576^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40250486189 + ... + 40250494412.

Almost surely, 2^{331020032231312} is an apocalyptic number.

It is an amenable number.

331020032231312 is a deficient number, since it is larger than the sum of its proper divisors (312826810623484).

331020032231312 is a wasteful number, since it uses less digits than its factorization.

331020032231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80500980866 (or 80500980860 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 331020032231312 its reverse (213132230020133), we get a palindrome (544152262251445).

The spelling of 331020032231312 in words is "three hundred thirty-one trillion, twenty billion, thirty-two million, two hundred thirty-one thousand, three hundred twelve".