331111323 has 12 divisors (see below), whose sum is σ = 480040288. Its totient is φ = 219924720.

The previous prime is 331111301. The next prime is 331111331. The reversal of 331111323 is 323111133.

It is a happy number.

331111323 is a `hidden beast` number, since 331 + 1 + 11 + 323 = 666.

It is not a de Polignac number, because 331111323 - 2⁹ = 331110811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331111296 and 331111305.

It is not an unprimeable number, because it can be changed into a prime (331112323) 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, 65440 + ... + 70317.

Almost surely, 2^331111323 is an apocalyptic number.

331111323 is a deficient number, since it is larger than the sum of its proper divisors (148928965).

331111323 is a wasteful number, since it uses less digits than its factorization.

331111323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136034 (or 136031 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 331111323 is about 18196.4645741968. The cubic root of 331111323 is about 691.8171823464.

Adding to 331111323 its reverse (323111133), we get a palindrome (654222456).

The spelling of 331111323 in words is "three hundred thirty-one million, one hundred eleven thousand, three hundred twenty-three".