13525242331 has 2 divisors, whose sum is σ = 13525242332. Its totient is φ = 13525242330.

The previous prime is 13525242281. The next prime is 13525242349. The reversal of 13525242331 is 13324252531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13525242331 - 2⁹ = 13525241819 is a prime.

It is a super-2 number, since 2×13525242331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13525242293 and 13525242302.

It is not a weakly prime, because it can be changed into another prime (13525242431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6762621165 + 6762621166.

It is an arithmetic number, because the mean of its divisors is an integer number (6762621166).

Almost surely, 2^13525242331 is an apocalyptic number.

13525242331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13525242331 is an equidigital number, since it uses as much as digits as its factorization.

13525242331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 31.

Adding to 13525242331 its reverse (13324252531), we get a palindrome (26849494862).

The spelling of 13525242331 in words is "thirteen billion, five hundred twenty-five million, two hundred forty-two thousand, three hundred thirty-one".