316253643315321 has 8 divisors (see below), whose sum is σ = 421981349205024. Its totient is φ = 210680849817920.

The previous prime is 316253643315157. The next prime is 316253643315331. The reversal of 316253643315321 is 123513346352613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316253643315321 - 2²⁹ = 316253106444409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (316253643315331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38728093311 + ... + 38728101476.

It is an arithmetic number, because the mean of its divisors is an integer number (52747668650628).

Almost surely, 2^{316253643315321} is an apocalyptic number.

It is an amenable number.

316253643315321 is a deficient number, since it is larger than the sum of its proper divisors (105727705889703).

316253643315321 is a wasteful number, since it uses less digits than its factorization.

316253643315321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77456196151.

The product of its digits is 3499200, while the sum is 48.

Adding to 316253643315321 its reverse (123513346352613), we get a palindrome (439766989667934).

The spelling of 316253643315321 in words is "three hundred sixteen trillion, two hundred fifty-three billion, six hundred forty-three million, three hundred fifteen thousand, three hundred twenty-one".