5312351105321 has 24 divisors (see below), whose sum is σ = 5763825476640. Its totient is φ = 4893997245696.

The previous prime is 5312351105309. The next prime is 5312351105329. The reversal of 5312351105321 is 1235011532135.

It is not a de Polignac number, because 5312351105321 - 2²⁶ = 5312283996457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5312351105329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 611383745 + ... + 611392433.

It is an arithmetic number, because the mean of its divisors is an integer number (240159394860).

Almost surely, 2^{5312351105321} is an apocalyptic number.

It is an amenable number.

5312351105321 is a deficient number, since it is larger than the sum of its proper divisors (451474371319).

5312351105321 is a wasteful number, since it uses less digits than its factorization.

5312351105321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15465 (or 15452 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 5312351105321 its reverse (1235011532135), we get a palindrome (6547362637456).

The spelling of 5312351105321 in words is "five trillion, three hundred twelve billion, three hundred fifty-one million, one hundred five thousand, three hundred twenty-one".