316111129 has 2 divisors, whose sum is σ = 316111130. Its totient is φ = 316111128.

The previous prime is 316111111. The next prime is 316111163. The reversal of 316111129 is 921111613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183331600 + 132779529 = 13540^2 + 11523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316111129 is a prime.

It is not a weakly prime, because it can be changed into another prime (316111529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158055564 + 158055565.

It is an arithmetic number, because the mean of its divisors is an integer number (158055565).

Almost surely, 2^316111129 is an apocalyptic number.

It is an amenable number.

316111129 is a deficient number, since it is larger than the sum of its proper divisors (1).

316111129 is an equidigital number, since it uses as much as digits as its factorization.

316111129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 25.

The square root of 316111129 is about 17779.5143072020. The cubic root of 316111129 is about 681.2082964792.

The spelling of 316111129 in words is "three hundred sixteen million, one hundred eleven thousand, one hundred twenty-nine".