13603502431 has 2 divisors, whose sum is σ = 13603502432. Its totient is φ = 13603502430.

The previous prime is 13603502369. The next prime is 13603502461. The reversal of 13603502431 is 13420530631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13603502431 - 2⁷ = 13603502303 is a prime.

It is a super-2 number, since 2×13603502431² (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 13603502431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13603502461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6801751215 + 6801751216.

It is an arithmetic number, because the mean of its divisors is an integer number (6801751216).

Almost surely, 2^13603502431 is an apocalyptic number.

13603502431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13603502431 is an equidigital number, since it uses as much as digits as its factorization.

13603502431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 13603502431 in words is "thirteen billion, six hundred three million, five hundred two thousand, four hundred thirty-one".