13251131 has 2 divisors, whose sum is σ = 13251132. Its totient is φ = 13251130.

The previous prime is 13251107. The next prime is 13251137. The reversal of 13251131 is 13115231.

13251131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (13115231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13251131 - 2¹⁴ = 13234747 is a prime.

It is a super-2 number, since 2×13251131² = 351184945558322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13251137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6625565 + 6625566.

It is an arithmetic number, because the mean of its divisors is an integer number (6625566).

Almost surely, 2^13251131 is an apocalyptic number.

13251131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13251131 is an equidigital number, since it uses as much as digits as its factorization.

13251131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90, while the sum is 17.

The square root of 13251131 is about 3640.2102961230. The cubic root of 13251131 is about 236.6379071932.

Adding to 13251131 its reverse (13115231), we get a palindrome (26366362).

The spelling of 13251131 in words is "thirteen million, two hundred fifty-one thousand, one hundred thirty-one".