316108831 has 2 divisors, whose sum is σ = 316108832. Its totient is φ = 316108830.

The previous prime is 316108813. The next prime is 316108847. The reversal of 316108831 is 138801613.

Together with previous prime (316108813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 316108831 - 2¹⁵ = 316076063 is a prime.

It is a super-2 number, since 2×316108831² = 199849586072373122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 316108793 and 316108802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316108861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158054415 + 158054416.

It is an arithmetic number, because the mean of its divisors is an integer number (158054416).

Almost surely, 2^316108831 is an apocalyptic number.

316108831 is a deficient number, since it is larger than the sum of its proper divisors (1).

316108831 is an equidigital number, since it uses as much as digits as its factorization.

316108831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 316108831 is about 17779.4496821471. The cubic root of 316108831 is about 681.2066457723.

The spelling of 316108831 in words is "three hundred sixteen million, one hundred eight thousand, eight hundred thirty-one".