15313216129 has 2 divisors, whose sum is σ = 15313216130. Its totient is φ = 15313216128.

The previous prime is 15313216097. The next prime is 15313216151. The reversal of 15313216129 is 92161231351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15212755600 + 100460529 = 123340^2 + 10023^2 .

It is a cyclic number.

It is not a de Polignac number, because 15313216129 - 2⁵ = 15313216097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15313216094 and 15313216103.

It is not a weakly prime, because it can be changed into another prime (15313216189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7656608064 + 7656608065.

It is an arithmetic number, because the mean of its divisors is an integer number (7656608065).

Almost surely, 2^15313216129 is an apocalyptic number.

It is an amenable number.

15313216129 is a deficient number, since it is larger than the sum of its proper divisors (1).

15313216129 is an equidigital number, since it uses as much as digits as its factorization.

15313216129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 34.

The spelling of 15313216129 in words is "fifteen billion, three hundred thirteen million, two hundred sixteen thousand, one hundred twenty-nine".