331023113 has 4 divisors (see below), whose sum is σ = 332087808. Its totient is φ = 329958420.

The previous prime is 331023103. The next prime is 331023137. The reversal of 331023113 is 311320133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 331023113 - 2⁴ = 331023097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331023091 and 331023100.

It is not an unprimeable number, because it can be changed into a prime (331023103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531881 + ... + 532502.

It is an arithmetic number, because the mean of its divisors is an integer number (83021952).

Almost surely, 2^331023113 is an apocalyptic number.

It is an amenable number.

331023113 is a deficient number, since it is larger than the sum of its proper divisors (1064695).

331023113 is a wasteful number, since it uses less digits than its factorization.

331023113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064694.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 331023113 is about 18194.0405902592. The cubic root of 331023113 is about 691.7557421707.

Adding to 331023113 its reverse (311320133), we get a palindrome (642343246).

The spelling of 331023113 in words is "three hundred thirty-one million, twenty-three thousand, one hundred thirteen".