311373113 has 2 divisors, whose sum is σ = 311373114. Its totient is φ = 311373112.

The previous prime is 311373109. The next prime is 311373131.

311373113 is nontrivially palindromic in base 10.

Together with next prime (311373131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 285035689 + 26337424 = 16883^2 + 5132^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 311373113 - 2² = 311373109 is a prime.

It is not a weakly prime, because it can be changed into another prime (311373133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155686556 + 155686557.

It is an arithmetic number, because the mean of its divisors is an integer number (155686557).

Almost surely, 2^311373113 is an apocalyptic number.

It is an amenable number.

311373113 is a deficient number, since it is larger than the sum of its proper divisors (1).

311373113 is an equidigital number, since it uses as much as digits as its factorization.

311373113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 567, while the sum is 23.

The square root of 311373113 is about 17645.7675661899. The cubic root of 311373113 is about 677.7877305286.

The spelling of 311373113 in words is "three hundred eleven million, three hundred seventy-three thousand, one hundred thirteen".