316112689 has 2 divisors, whose sum is σ = 316112690. Its totient is φ = 316112688.

The previous prime is 316112659. The next prime is 316112761. The reversal of 316112689 is 986211613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314885025 + 1227664 = 17745^2 + 1108^2 .

It is a cyclic number.

It is not a de Polignac number, because 316112689 - 2¹³ = 316104497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (316112609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158056344 + 158056345.

It is an arithmetic number, because the mean of its divisors is an integer number (158056345).

Almost surely, 2^316112689 is an apocalyptic number.

It is an amenable number.

316112689 is a deficient number, since it is larger than the sum of its proper divisors (1).

316112689 is an equidigital number, since it uses as much as digits as its factorization.

316112689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 37.

The square root of 316112689 is about 17779.5581778626. The cubic root of 316112689 is about 681.2094170589.

The spelling of 316112689 in words is "three hundred sixteen million, one hundred twelve thousand, six hundred eighty-nine".