331132331101225 has 12 divisors (see below), whose sum is σ = 420153022905616. Its totient is φ = 258745263371280.

The previous prime is 331132331101219. The next prime is 331132331101237. The reversal of 331132331101225 is 522101133231133.

It is not a de Polignac number, because 331132331101225 - 2³ = 331132331101217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154015036647 + ... + 154015038796.

Almost surely, 2^{331132331101225} is an apocalyptic number.

It is an amenable number.

331132331101225 is a deficient number, since it is larger than the sum of its proper divisors (89020691804391).

331132331101225 is a wasteful number, since it uses less digits than its factorization.

331132331101225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308030075496 (or 308030075491 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 331132331101225 its reverse (522101133231133), we get a palindrome (853233464332358).

The spelling of 331132331101225 in words is "three hundred thirty-one trillion, one hundred thirty-two billion, three hundred thirty-one million, one hundred one thousand, two hundred twenty-five".