311253023 has 2 divisors, whose sum is σ = 311253024. Its totient is φ = 311253022.

The previous prime is 311253011. The next prime is 311253029. The reversal of 311253023 is 320352113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311253023 - 2²⁴ = 294475807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311252986 and 311253004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311253029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155626511 + 155626512.

It is an arithmetic number, because the mean of its divisors is an integer number (155626512).

Almost surely, 2^311253023 is an apocalyptic number.

311253023 is a deficient number, since it is larger than the sum of its proper divisors (1).

311253023 is an equidigital number, since it uses as much as digits as its factorization.

311253023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 311253023 is about 17642.3644390427. The cubic root of 311253023 is about 677.7005832107.

The spelling of 311253023 in words is "three hundred eleven million, two hundred fifty-three thousand, twenty-three".