311253083 has 2 divisors, whose sum is σ = 311253084. Its totient is φ = 311253082.

The previous prime is 311253053. The next prime is 311253091. The reversal of 311253083 is 380352113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311253083 is a prime.

It is not a weakly prime, because it can be changed into another prime (311253023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155626541 + 155626542.

It is an arithmetic number, because the mean of its divisors is an integer number (155626542).

Almost surely, 2^311253083 is an apocalyptic number.

311253083 is a deficient number, since it is larger than the sum of its proper divisors (1).

311253083 is an equidigital number, since it uses as much as digits as its factorization.

311253083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 311253083 is about 17642.3661394950. The cubic root of 311253083 is about 677.7006267573.

The spelling of 311253083 in words is "three hundred eleven million, two hundred fifty-three thousand, eighty-three".