316021427 has 2 divisors, whose sum is σ = 316021428. Its totient is φ = 316021426.

The previous prime is 316021423. The next prime is 316021463. The reversal of 316021427 is 724120613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 316021427 - 2² = 316021423 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 316021396 and 316021405.

It is not a weakly prime, because it can be changed into another prime (316021423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158010713 + 158010714.

It is an arithmetic number, because the mean of its divisors is an integer number (158010714).

Almost surely, 2^316021427 is an apocalyptic number.

316021427 is a deficient number, since it is larger than the sum of its proper divisors (1).

316021427 is an equidigital number, since it uses as much as digits as its factorization.

316021427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 316021427 is about 17776.9915058764. The cubic root of 316021427 is about 681.1438555048.

The spelling of 316021427 in words is "three hundred sixteen million, twenty-one thousand, four hundred twenty-seven".