311376113 has 4 divisors (see below), whose sum is σ = 317251188. Its totient is φ = 305501040.

The previous prime is 311376101. The next prime is 311376119. The reversal of 311376113 is 311673113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311673113 = 127 ⋅2454119.

It can be written as a sum of positive squares in 2 ways, for example, as 143233024 + 168143089 = 11968^2 + 12967^2 .

It is a cyclic number.

It is not a de Polignac number, because 311376113 - 2¹⁰ = 311375089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311376119) 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, 2937458 + ... + 2937563.

It is an arithmetic number, because the mean of its divisors is an integer number (79312797).

Almost surely, 2^311376113 is an apocalyptic number.

It is an amenable number.

311376113 is a deficient number, since it is larger than the sum of its proper divisors (5875075).

311376113 is an equidigital number, since it uses as much as digits as its factorization.

311376113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875074.

The product of its digits is 1134, while the sum is 26.

The square root of 311376113 is about 17645.8525722052. The cubic root of 311376113 is about 677.7899072919.

The spelling of 311376113 in words is "three hundred eleven million, three hundred seventy-six thousand, one hundred thirteen".