331120113 has 4 divisors (see below), whose sum is σ = 441493488. Its totient is φ = 220746740.

The previous prime is 331120103. The next prime is 331120151. The reversal of 331120113 is 311021133.

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, and also an emirpimes, since its reverse is a distinct semiprime: 311021133 = 3 ⋅103673711.

It is a cyclic number.

It is not a de Polignac number, because 331120113 - 2²⁰ = 330071537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331120092 and 331120101.

It is not an unprimeable number, because it can be changed into a prime (331120103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55186683 + ... + 55186688.

It is an arithmetic number, because the mean of its divisors is an integer number (110373372).

Almost surely, 2^331120113 is an apocalyptic number.

It is an amenable number.

331120113 is a deficient number, since it is larger than the sum of its proper divisors (110373375).

331120113 is a wasteful number, since it uses less digits than its factorization.

331120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110373374.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 331120113 is about 18196.7061030286. The cubic root of 331120113 is about 691.8233041739.

Adding to 331120113 its reverse (311021133), we get a palindrome (642141246).

The spelling of 331120113 in words is "three hundred thirty-one million, one hundred twenty thousand, one hundred thirteen".