15243335038231 has 2 divisors, whose sum is σ = 15243335038232. Its totient is φ = 15243335038230.

The previous prime is 15243335038187. The next prime is 15243335038247. The reversal of 15243335038231 is 13283053334251.

It is a strong prime.

It is an emirp because it is prime and its reverse (13283053334251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15243335038231 - 2⁷ = 15243335038103 is a prime.

It is a super-2 number, since 2×15243335038231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15243335038831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7621667519115 + 7621667519116.

It is an arithmetic number, because the mean of its divisors is an integer number (7621667519116).

Almost surely, 2^{15243335038231} is an apocalyptic number.

15243335038231 is a deficient number, since it is larger than the sum of its proper divisors (1).

15243335038231 is an equidigital number, since it uses as much as digits as its factorization.

15243335038231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 15243335038231 in words is "fifteen trillion, two hundred forty-three billion, three hundred thirty-five million, thirty-eight thousand, two hundred thirty-one".