316392205 has 4 divisors (see below), whose sum is σ = 379670652. Its totient is φ = 253113760.

The previous prime is 316392187. The next prime is 316392211. The reversal of 316392205 is 502293613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 502293613 = 79 ⋅6358147.

It can be written as a sum of positive squares in 2 ways, for example, as 191600964 + 124791241 = 13842^2 + 11171^2 .

It is not a de Polignac number, because 316392205 - 2⁵ = 316392173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31639216 + ... + 31639225.

It is an arithmetic number, because the mean of its divisors is an integer number (94917663).

Almost surely, 2^316392205 is an apocalyptic number.

It is an amenable number.

316392205 is a deficient number, since it is larger than the sum of its proper divisors (63278447).

316392205 is an equidigital number, since it uses as much as digits as its factorization.

316392205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63278446.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 316392205 is about 17787.4170412682. The cubic root of 316392205 is about 681.4101396113.

The spelling of 316392205 in words is "three hundred sixteen million, three hundred ninety-two thousand, two hundred five".