2316551564531 has 4 divisors (see below), whose sum is σ = 2316555797832. Its totient is φ = 2316547331232.

The previous prime is 2316551564443. The next prime is 2316551564609. The reversal of 2316551564531 is 1354651556132.

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

It is a cyclic number.

It is not a de Polignac number, because 2316551564531 - 2²² = 2316547370227 is a prime.

It is a super-2 number, since 2×2316551564531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2316521564531) 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, 1148081 + ... + 2439506.

It is an arithmetic number, because the mean of its divisors is an integer number (579138949458).

Almost surely, 2^{2316551564531} is an apocalyptic number.

2316551564531 is a deficient number, since it is larger than the sum of its proper divisors (4233301).

2316551564531 is an equidigital number, since it uses as much as digits as its factorization.

2316551564531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4233300.

The product of its digits is 1620000, while the sum is 47.

The spelling of 2316551564531 in words is "two trillion, three hundred sixteen billion, five hundred fifty-one million, five hundred sixty-four thousand, five hundred thirty-one".