331812135 has 12 divisors (see below), whose sum is σ = 575141112. Its totient is φ = 176966448.

The previous prime is 331812101. The next prime is 331812149. The reversal of 331812135 is 531218133.

It is not a de Polignac number, because 331812135 - 2²² = 327617831 is a prime.

It is a super-2 number, since 2×331812135² = 220198585866516450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331812099 and 331812108.

It is a congruent 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, 3686757 + ... + 3686846.

It is an arithmetic number, because the mean of its divisors is an integer number (47928426).

Almost surely, 2^331812135 is an apocalyptic number.

331812135 is a deficient number, since it is larger than the sum of its proper divisors (243328977).

331812135 is a wasteful number, since it uses less digits than its factorization.

331812135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373614 (or 7373611 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 331812135 is about 18215.7112131259. The cubic root of 331812135 is about 692.3049257867.

The spelling of 331812135 in words is "three hundred thirty-one million, eight hundred twelve thousand, one hundred thirty-five".