331013113 has 4 divisors (see below), whose sum is σ = 331050240. Its totient is φ = 330975988.

The previous prime is 331013101. The next prime is 331013119. The reversal of 331013113 is 311310133.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 311310133 = 10909 ⋅28537.

It is a cyclic number.

It is not a de Polignac number, because 331013113 - 2⁹ = 331012601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331013119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3756 + ... + 26002.

It is an arithmetic number, because the mean of its divisors is an integer number (82762560).

Almost surely, 2^331013113 is an apocalyptic number.

It is an amenable number.

331013113 is a deficient number, since it is larger than the sum of its proper divisors (37127).

331013113 is a wasteful number, since it uses less digits than its factorization.

331013113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37126.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 331013113 is about 18193.7657729234. The cubic root of 331013113 is about 691.7487762653.

Adding to 331013113 its reverse (311310133), we get a palindrome (642323246).

The spelling of 331013113 in words is "three hundred thirty-one million, thirteen thousand, one hundred thirteen".