5215253131231 has 16 divisors (see below), whose sum is σ = 6227453479968. Its totient is φ = 4304691331200.

The previous prime is 5215253131223. The next prime is 5215253131237. The reversal of 5215253131231 is 1321313525125.

It is not a de Polignac number, because 5215253131231 - 2³ = 5215253131223 is a prime.

It is a super-2 number, since 2×5215253131231² (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 (5215253131237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298928176 + ... + 298945621.

It is an arithmetic number, because the mean of its divisors is an integer number (389215842498).

Almost surely, 2^{5215253131231} is an apocalyptic number.

5215253131231 is a deficient number, since it is larger than the sum of its proper divisors (1012200348737).

5215253131231 is a wasteful number, since it uses less digits than its factorization.

5215253131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597873882.

The product of its digits is 27000, while the sum is 34.

Adding to 5215253131231 its reverse (1321313525125), we get a palindrome (6536566656356).

The spelling of 5215253131231 in words is "five trillion, two hundred fifteen billion, two hundred fifty-three million, one hundred thirty-one thousand, two hundred thirty-one".