316253300340661 has 2 divisors, whose sum is σ = 316253300340662. Its totient is φ = 316253300340660.

The previous prime is 316253300340407. The next prime is 316253300340847. The reversal of 316253300340661 is 166043003352613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 266017894103025 + 50235406237636 = 16310055^2 + 7087694^2 .

It is a cyclic number.

It is not a de Polignac number, because 316253300340661 - 2¹⁹ = 316253299816373 is a prime.

It is a super-2 number, since 2×316253300340661² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316253300640661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158126650170330 + 158126650170331.

It is an arithmetic number, because the mean of its divisors is an integer number (158126650170331).

Almost surely, 2^{316253300340661} is an apocalyptic number.

It is an amenable number.

316253300340661 is a deficient number, since it is larger than the sum of its proper divisors (1).

316253300340661 is an equidigital number, since it uses as much as digits as its factorization.

316253300340661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 43.

The spelling of 316253300340661 in words is "three hundred sixteen trillion, two hundred fifty-three billion, three hundred million, three hundred forty thousand, six hundred sixty-one".