316351325035621 has 4 divisors (see below), whose sum is σ = 316351690556044. Its totient is φ = 316350959515200.

The previous prime is 316351325035609. The next prime is 316351325035633. The reversal of 316351325035621 is 126530523153613.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (316351325035609) and next prime (316351325035633).

It can be written as a sum of positive squares in 2 ways, for example, as 274598869550625 + 41752455484996 = 16571025^2 + 6461614^2 .

It is a cyclic number.

It is not a de Polignac number, because 316351325035621 - 2¹¹ = 316351325033573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316351325035021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181458900 + ... + 183193981.

It is an arithmetic number, because the mean of its divisors is an integer number (79087922639011).

Almost surely, 2^{316351325035621} is an apocalyptic number.

It is an amenable number.

316351325035621 is a deficient number, since it is larger than the sum of its proper divisors (365520423).

316351325035621 is an equidigital number, since it uses as much as digits as its factorization.

316351325035621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365520422.

The product of its (nonzero) digits is 1458000, while the sum is 46.

The spelling of 316351325035621 in words is "three hundred sixteen trillion, three hundred fifty-one billion, three hundred twenty-five million, thirty-five thousand, six hundred twenty-one".