316047503710321 has 2 divisors, whose sum is σ = 316047503710322. Its totient is φ = 316047503710320.

The previous prime is 316047503710313. The next prime is 316047503710361. The reversal of 316047503710321 is 123017305740613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192300234279696 + 123747269430625 = 13867236^2 + 11124175^2 .

It is a cyclic number.

It is not a de Polignac number, because 316047503710321 - 2³ = 316047503710313 is a prime.

It is a super-2 number, since 2×316047503710321² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (316047503710361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158023751855160 + 158023751855161.

It is an arithmetic number, because the mean of its divisors is an integer number (158023751855161).

Almost surely, 2^{316047503710321} is an apocalyptic number.

It is an amenable number.

316047503710321 is a deficient number, since it is larger than the sum of its proper divisors (1).

316047503710321 is an equidigital number, since it uses as much as digits as its factorization.

316047503710321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 316047503710321 in words is "three hundred sixteen trillion, forty-seven billion, five hundred three million, seven hundred ten thousand, three hundred twenty-one".