311464427 has 2 divisors, whose sum is σ = 311464428. Its totient is φ = 311464426.

The previous prime is 311464403. The next prime is 311464453. The reversal of 311464427 is 724464113.

It is a weak prime.

It is an emirp because it is prime and its reverse (724464113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311464427 - 2²⁰ = 310415851 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 311464393 and 311464402.

It is not a weakly prime, because it can be changed into another prime (311464477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155732213 + 155732214.

It is an arithmetic number, because the mean of its divisors is an integer number (155732214).

Almost surely, 2^311464427 is an apocalyptic number.

311464427 is a deficient number, since it is larger than the sum of its proper divisors (1).

311464427 is an equidigital number, since it uses as much as digits as its factorization.

311464427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 311464427 is about 17648.3547958443. The cubic root of 311464427 is about 677.8539805858.

The spelling of 311464427 in words is "three hundred eleven million, four hundred sixty-four thousand, four hundred twenty-seven".