10012431391 has 2 divisors, whose sum is σ = 10012431392. Its totient is φ = 10012431390.

The previous prime is 10012431371. The next prime is 10012431397. The reversal of 10012431391 is 19313421001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10012431391 - 2²⁵ = 9978876959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012431397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006215695 + 5006215696.

It is an arithmetic number, because the mean of its divisors is an integer number (5006215696).

Almost surely, 2^10012431391 is an apocalyptic number.

10012431391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012431391 is an equidigital number, since it uses as much as digits as its factorization.

10012431391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 10012431391 its reverse (19313421001), we get a palindrome (29325852392).

The spelling of 10012431391 in words is "ten billion, twelve million, four hundred thirty-one thousand, three hundred ninety-one".