311113369 has 4 divisors (see below), whose sum is σ = 355558144. Its totient is φ = 266668596.

The previous prime is 311113357. The next prime is 311113393. The reversal of 311113369 is 963311113.

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 a de Polignac number, because none of the positive numbers 2^k-311113369 is a prime.

It is a super-2 number, since 2×311113369² = 193583056741060322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311113399) 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, 22222377 + ... + 22222390.

It is an arithmetic number, because the mean of its divisors is an integer number (88889536).

Almost surely, 2^311113369 is an apocalyptic number.

It is an amenable number.

311113369 is a deficient number, since it is larger than the sum of its proper divisors (44444775).

311113369 is an equidigital number, since it uses as much as digits as its factorization.

311113369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44444774.

The product of its digits is 1458, while the sum is 28.

The square root of 311113369 is about 17638.4060787816. The cubic root of 311113369 is about 677.5992104274.

The spelling of 311113369 in words is "three hundred eleven million, one hundred thirteen thousand, three hundred sixty-nine".