316356149 has 2 divisors, whose sum is σ = 316356150. Its totient is φ = 316356148.

The previous prime is 316356127. The next prime is 316356167. The reversal of 316356149 is 941653613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 299913124 + 16443025 = 17318^2 + 4055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316356149 is a prime.

It is a super-2 number, since 2×316356149² = 200162426020220402, which contains 22 as substring.

It is a Chen prime.

It is equal to p_17089238 and since 316356149 and 17089238 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316356109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158178074 + 158178075.

It is an arithmetic number, because the mean of its divisors is an integer number (158178075).

Almost surely, 2^316356149 is an apocalyptic number.

It is an amenable number.

316356149 is a deficient number, since it is larger than the sum of its proper divisors (1).

316356149 is an equidigital number, since it uses as much as digits as its factorization.

316356149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 38.

The square root of 316356149 is about 17786.4034869335. The cubic root of 316356149 is about 681.3842541681.

The spelling of 316356149 in words is "three hundred sixteen million, three hundred fifty-six thousand, one hundred forty-nine".