15532304131 has 2 divisors, whose sum is σ = 15532304132. Its totient is φ = 15532304130.

The previous prime is 15532304093. The next prime is 15532304141. The reversal of 15532304131 is 13140323551.

It is a happy number.

15532304131 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 (13140323551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15532304131 - 2²³ = 15523915523 is a prime.

It is a super-2 number, since 2×15532304131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15532304131.

It is not a weakly prime, because it can be changed into another prime (15532304141) 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, 7766152065 + 7766152066.

It is an arithmetic number, because the mean of its divisors is an integer number (7766152066).

Almost surely, 2^15532304131 is an apocalyptic number.

15532304131 is a deficient number, since it is larger than the sum of its proper divisors (1).

15532304131 is an equidigital number, since it uses as much as digits as its factorization.

15532304131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 15532304131 its reverse (13140323551), we get a palindrome (28672627682).

The spelling of 15532304131 in words is "fifteen billion, five hundred thirty-two million, three hundred four thousand, one hundred thirty-one".