5312513516231 has 8 divisors (see below), whose sum is σ = 5441645277120. Its totient is φ = 5184052570368.

The previous prime is 5312513516183. The next prime is 5312513516239. The reversal of 5312513516231 is 1326153152135.

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 5312513516231 - 2²² = 5312509321927 is a prime.

It is a super-2 number, since 2×5312513516231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312513516239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167687726 + ... + 167719403.

It is an arithmetic number, because the mean of its divisors is an integer number (680205659640).

Almost surely, 2^{5312513516231} is an apocalyptic number.

5312513516231 is a deficient number, since it is larger than the sum of its proper divisors (129131760889).

5312513516231 is a wasteful number, since it uses less digits than its factorization.

5312513516231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335407513.

The product of its digits is 81000, while the sum is 38.

Adding to 5312513516231 its reverse (1326153152135), we get a palindrome (6638666668366).

The spelling of 5312513516231 in words is "five trillion, three hundred twelve billion, five hundred thirteen million, five hundred sixteen thousand, two hundred thirty-one".