316789576121 has 2 divisors, whose sum is σ = 316789576122. Its totient is φ = 316789576120.

The previous prime is 316789576063. The next prime is 316789576127. The reversal of 316789576121 is 121675987613.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294420186025 + 22369390096 = 542605^2 + 149564^2 .

It is a cyclic number.

It is not a de Polignac number, because 316789576121 - 2⁶ = 316789576057 is a prime.

It is not a weakly prime, because it can be changed into another prime (316789576127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158394788060 + 158394788061.

It is an arithmetic number, because the mean of its divisors is an integer number (158394788061).

Almost surely, 2^316789576121 is an apocalyptic number.

It is an amenable number.

316789576121 is a deficient number, since it is larger than the sum of its proper divisors (1).

316789576121 is an equidigital number, since it uses as much as digits as its factorization.

316789576121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 56.

The spelling of 316789576121 in words is "three hundred sixteen billion, seven hundred eighty-nine million, five hundred seventy-six thousand, one hundred twenty-one".