316078135193 has 2 divisors, whose sum is σ = 316078135194. Its totient is φ = 316078135192.

The previous prime is 316078135181. The next prime is 316078135223. The reversal of 316078135193 is 391531870613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304347512329 + 11730622864 = 551677^2 + 108308^2 .

It is a cyclic number.

It is not a de Polignac number, because 316078135193 - 2³² = 311783167897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (316068135193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158039067596 + 158039067597.

It is an arithmetic number, because the mean of its divisors is an integer number (158039067597).

Almost surely, 2^316078135193 is an apocalyptic number.

It is an amenable number.

316078135193 is a deficient number, since it is larger than the sum of its proper divisors (1).

316078135193 is an equidigital number, since it uses as much as digits as its factorization.

316078135193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 316078135193 in words is "three hundred sixteen billion, seventy-eight million, one hundred thirty-five thousand, one hundred ninety-three".