15268316431 has 2 divisors, whose sum is σ = 15268316432. Its totient is φ = 15268316430.

The previous prime is 15268316429. The next prime is 15268316443. The reversal of 15268316431 is 13461386251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15268316431 - 2¹ = 15268316429 is a prime.

It is a super-2 number, since 2×15268316431² (a number of 21 digits) contains 22 as substring.

Together with 15268316429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15268311431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7634158215 + 7634158216.

It is an arithmetic number, because the mean of its divisors is an integer number (7634158216).

Almost surely, 2^15268316431 is an apocalyptic number.

15268316431 is a deficient number, since it is larger than the sum of its proper divisors (1).

15268316431 is an equidigital number, since it uses as much as digits as its factorization.

15268316431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The spelling of 15268316431 in words is "fifteen billion, two hundred sixty-eight million, three hundred sixteen thousand, four hundred thirty-one".