15131134231 has 2 divisors, whose sum is σ = 15131134232. Its totient is φ = 15131134230.

The previous prime is 15131134217. The next prime is 15131134243. The reversal of 15131134231 is 13243113151.

15131134231 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 a cyclic number.

It is not a de Polignac number, because 15131134231 - 2⁵ = 15131134199 is a prime.

It is a super-3 number, since 3×15131134231³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 15131134196 and 15131134205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15131134531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7565567115 + 7565567116.

It is an arithmetic number, because the mean of its divisors is an integer number (7565567116).

Almost surely, 2^15131134231 is an apocalyptic number.

15131134231 is a deficient number, since it is larger than the sum of its proper divisors (1).

15131134231 is an equidigital number, since it uses as much as digits as its factorization.

15131134231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

Adding to 15131134231 its reverse (13243113151), we get a palindrome (28374247382).

The spelling of 15131134231 in words is "fifteen billion, one hundred thirty-one million, one hundred thirty-four thousand, two hundred thirty-one".