311262113 has 2 divisors, whose sum is σ = 311262114. Its totient is φ = 311262112.

The previous prime is 311262071. The next prime is 311262169.

311262113 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308775184 + 2486929 = 17572^2 + 1577^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 311262113 - 2²⁰ = 310213537 is a prime.

It is not a weakly prime, because it can be changed into another prime (311262613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155631056 + 155631057.

It is an arithmetic number, because the mean of its divisors is an integer number (155631057).

Almost surely, 2^311262113 is an apocalyptic number.

It is an amenable number.

311262113 is a deficient number, since it is larger than the sum of its proper divisors (1).

311262113 is an equidigital number, since it uses as much as digits as its factorization.

311262113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 20.

The square root of 311262113 is about 17642.6220556923. The cubic root of 311262113 is about 677.7071804568.

The spelling of 311262113 in words is "three hundred eleven million, two hundred sixty-two thousand, one hundred thirteen".