331120233 has 12 divisors (see below), whose sum is σ = 478516480. Its totient is φ = 220639896.

The previous prime is 331120219. The next prime is 331120241. The reversal of 331120233 is 332021133.

It is not a de Polignac number, because 331120233 - 2¹⁸ = 330858089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331120333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13728 + ... + 29166.

Almost surely, 2^331120233 is an apocalyptic number.

It is an amenable number.

331120233 is a deficient number, since it is larger than the sum of its proper divisors (147396247).

331120233 is a wasteful number, since it uses less digits than its factorization.

331120233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17828 (or 17825 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 331120233 is about 18196.7094003284. The cubic root of 331120233 is about 691.8233877476.

Adding to 331120233 its reverse (332021133), we get a palindrome (663141366).

The spelling of 331120233 in words is "three hundred thirty-one million, one hundred twenty thousand, two hundred thirty-three".