13140232031 has 2 divisors, whose sum is σ = 13140232032. Its totient is φ = 13140232030.

The previous prime is 13140231997. The next prime is 13140232069. The reversal of 13140232031 is 13023204131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13140232031 - 2⁶ = 13140231967 is a prime.

It is a super-2 number, since 2×13140232031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13140231994 and 13140232012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13140232531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6570116015 + 6570116016.

It is an arithmetic number, because the mean of its divisors is an integer number (6570116016).

Almost surely, 2^13140232031 is an apocalyptic number.

13140232031 is a deficient number, since it is larger than the sum of its proper divisors (1).

13140232031 is an equidigital number, since it uses as much as digits as its factorization.

13140232031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13140232031 its reverse (13023204131), we get a palindrome (26163436162).

The spelling of 13140232031 in words is "thirteen billion, one hundred forty million, two hundred thirty-two thousand, thirty-one".