316289093 has 2 divisors, whose sum is σ = 316289094. Its totient is φ = 316289092.

The previous prime is 316289081. The next prime is 316289117. The reversal of 316289093 is 390982613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307721764 + 8567329 = 17542^2 + 2927^2 .

It is a cyclic number.

It is not a de Polignac number, because 316289093 - 2⁸ = 316288837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316289093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316289033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158144546 + 158144547.

It is an arithmetic number, because the mean of its divisors is an integer number (158144547).

Almost surely, 2^316289093 is an apocalyptic number.

It is an amenable number.

316289093 is a deficient number, since it is larger than the sum of its proper divisors (1).

316289093 is an equidigital number, since it uses as much as digits as its factorization.

316289093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 316289093 is about 17784.5183516451. The cubic root of 316289093 is about 681.3361078712.

The spelling of 316289093 in words is "three hundred sixteen million, two hundred eighty-nine thousand, ninety-three".