316134561621 has 8 divisors (see below), whose sum is σ = 421517771424. Its totient is φ = 210753863120.

The previous prime is 316134561619. The next prime is 316134561623. The reversal of 316134561621 is 126165431613.

It is an interprime number because it is at equal distance from previous prime (316134561619) and next prime (316134561623).

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 316134561621 - 2¹ = 316134561619 is a prime.

It is a super-2 number, since 2×316134561621² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 316134561621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316134561623) 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, 311295 + ... + 853916.

It is an arithmetic number, because the mean of its divisors is an integer number (52689721428).

Almost surely, 2^316134561621 is an apocalyptic number.

It is an amenable number.

316134561621 is a deficient number, since it is larger than the sum of its proper divisors (105383209803).

316134561621 is a wasteful number, since it uses less digits than its factorization.

316134561621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255651.

The product of its digits is 77760, while the sum is 39.

The spelling of 316134561621 in words is "three hundred sixteen billion, one hundred thirty-four million, five hundred sixty-one thousand, six hundred twenty-one".