331011113 has 4 divisors (see below), whose sum is σ = 331118928. Its totient is φ = 330903300.

The previous prime is 331011089. The next prime is 331011137. The reversal of 331011113 is 311110133.

It is a happy number.

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: 311110133 = 631 ⋅493043.

It is an interprime number because it is at equal distance from previous prime (331011089) and next prime (331011137).

It is a cyclic number.

It is not a de Polignac number, because 331011113 - 2⁶ = 331011049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (331011143) 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, 49163 + ... + 55488.

It is an arithmetic number, because the mean of its divisors is an integer number (82779732).

Almost surely, 2^331011113 is an apocalyptic number.

It is an amenable number.

331011113 is a deficient number, since it is larger than the sum of its proper divisors (107815).

331011113 is a wasteful number, since it uses less digits than its factorization.

331011113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107814.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 331011113 is about 18193.7108089581. The cubic root of 331011113 is about 691.7473830674.

Adding to 331011113 its reverse (311110133), we get a palindrome (642121246).

The spelling of 331011113 in words is "three hundred thirty-one million, eleven thousand, one hundred thirteen".