316287373 has 2 divisors, whose sum is σ = 316287374. Its totient is φ = 316287372.

The previous prime is 316287341. The next prime is 316287401. The reversal of 316287373 is 373782613.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275493604 + 40793769 = 16598^2 + 6387^2 .

It is a cyclic number.

It is not a de Polignac number, because 316287373 - 2⁵ = 316287341 is a prime.

It is a super-2 number, since 2×316287373² = 200075404638482258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316287473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158143686 + 158143687.

It is an arithmetic number, because the mean of its divisors is an integer number (158143687).

Almost surely, 2^316287373 is an apocalyptic number.

It is an amenable number.

316287373 is a deficient number, since it is larger than the sum of its proper divisors (1).

316287373 is an equidigital number, since it uses as much as digits as its factorization.

316287373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 40.

The square root of 316287373 is about 17784.4699949141. The cubic root of 316287373 is about 681.3348728194.

The spelling of 316287373 in words is "three hundred sixteen million, two hundred eighty-seven thousand, three hundred seventy-three".