13425863831 has 2 divisors, whose sum is σ = 13425863832. Its totient is φ = 13425863830.

The previous prime is 13425863719. The next prime is 13425863837. The reversal of 13425863831 is 13836852431.

13425863831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13425863831 is a prime.

It is a super-2 number, since 2×13425863831² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13425863837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712931915 + 6712931916.

It is an arithmetic number, because the mean of its divisors is an integer number (6712931916).

Almost surely, 2^13425863831 is an apocalyptic number.

13425863831 is a deficient number, since it is larger than the sum of its proper divisors (1).

13425863831 is an equidigital number, since it uses as much as digits as its factorization.

13425863831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 44.

The spelling of 13425863831 in words is "thirteen billion, four hundred twenty-five million, eight hundred sixty-three thousand, eight hundred thirty-one".