15302230513 has 2 divisors, whose sum is σ = 15302230514. Its totient is φ = 15302230512.

The previous prime is 15302230511. The next prime is 15302230591. The reversal of 15302230513 is 31503220351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13098115809 + 2204114704 = 114447^2 + 46948^2 .

It is a cyclic number.

It is not a de Polignac number, because 15302230513 - 2¹ = 15302230511 is a prime.

Together with 15302230511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15302230511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7651115256 + 7651115257.

It is an arithmetic number, because the mean of its divisors is an integer number (7651115257).

Almost surely, 2^15302230513 is an apocalyptic number.

It is an amenable number.

15302230513 is a deficient number, since it is larger than the sum of its proper divisors (1).

15302230513 is an equidigital number, since it uses as much as digits as its factorization.

15302230513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 15302230513 its reverse (31503220351), we get a palindrome (46805450864).

The spelling of 15302230513 in words is "fifteen billion, three hundred two million, two hundred thirty thousand, five hundred thirteen".