316021564202987 has 2 divisors, whose sum is σ = 316021564202988. Its totient is φ = 316021564202986.

The previous prime is 316021564202983. The next prime is 316021564203031. The reversal of 316021564202987 is 789202465120613.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 316021564202987 - 2² = 316021564202983 is a prime.

It is not a weakly prime, because it can be changed into another prime (316021564202983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158010782101493 + 158010782101494.

It is an arithmetic number, because the mean of its divisors is an integer number (158010782101494).

It is a 2-persistent number, because it is pandigital, and so is 2⋅316021564202987 = 632043128405974, but 3⋅316021564202987 = 948064692608961 is not.

Almost surely, 2^{316021564202987} is an apocalyptic number.

316021564202987 is a deficient number, since it is larger than the sum of its proper divisors (1).

316021564202987 is an equidigital number, since it uses as much as digits as its factorization.

316021564202987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 316021564202987 in words is "three hundred sixteen trillion, twenty-one billion, five hundred sixty-four million, two hundred two thousand, nine hundred eighty-seven".