13130187431 has 2 divisors, whose sum is σ = 13130187432. Its totient is φ = 13130187430.

The previous prime is 13130187409. The next prime is 13130187463. The reversal of 13130187431 is 13478103131.

It is an a-pointer prime, because the next prime (13130187463) can be obtained adding 13130187431 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13130187431 is a prime.

It is a super-2 number, since 2×13130187431² (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 (13130187731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565093715 + 6565093716.

It is an arithmetic number, because the mean of its divisors is an integer number (6565093716).

Almost surely, 2^13130187431 is an apocalyptic number.

13130187431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13130187431 is an equidigital number, since it uses as much as digits as its factorization.

13130187431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 13130187431 in words is "thirteen billion, one hundred thirty million, one hundred eighty-seven thousand, four hundred thirty-one".