316223015197 has 2 divisors, whose sum is σ = 316223015198. Its totient is φ = 316223015196.

The previous prime is 316223015189. The next prime is 316223015201. The reversal of 316223015197 is 791510322613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303269388601 + 12953626596 = 550699^2 + 113814^2 .

It is an emirp because it is prime and its reverse (791510322613) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 316223015197 - 2³ = 316223015189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316223015107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158111507598 + 158111507599.

It is an arithmetic number, because the mean of its divisors is an integer number (158111507599).

Almost surely, 2^316223015197 is an apocalyptic number.

It is an amenable number.

316223015197 is a deficient number, since it is larger than the sum of its proper divisors (1).

316223015197 is an equidigital number, since it uses as much as digits as its factorization.

316223015197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 316223015197 in words is "three hundred sixteen billion, two hundred twenty-three million, fifteen thousand, one hundred ninety-seven".