331113013 has 16 divisors (see below), whose sum is σ = 413222400. Its totient is φ = 257756400.

The previous prime is 331113001. The next prime is 331113031. The reversal of 331113013 is 310311133.

It is not a de Polignac number, because 331113013 - 2⁹ = 331112501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331113043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129558 + ... + 132088.

It is an arithmetic number, because the mean of its divisors is an integer number (25826400).

Almost surely, 2^331113013 is an apocalyptic number.

It is an amenable number.

331113013 is a deficient number, since it is larger than the sum of its proper divisors (82109387).

331113013 is a wasteful number, since it uses less digits than its factorization.

331113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248.

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

The square root of 331113013 is about 18196.5110117297. The cubic root of 331113013 is about 691.8183593615.

Adding to 331113013 its reverse (310311133), we get a palindrome (641424146).

The spelling of 331113013 in words is "three hundred thirty-one million, one hundred thirteen thousand, thirteen".