10631415391 has 2 divisors, whose sum is σ = 10631415392. Its totient is φ = 10631415390.

The previous prime is 10631415359. The next prime is 10631415413. The reversal of 10631415391 is 19351413601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10631415391 - 2⁵ = 10631415359 is a prime.

It is a super-2 number, since 2×10631415391² (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 (10631413391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5315707695 + 5315707696.

It is an arithmetic number, because the mean of its divisors is an integer number (5315707696).

Almost surely, 2^10631415391 is an apocalyptic number.

10631415391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10631415391 is an equidigital number, since it uses as much as digits as its factorization.

10631415391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

Adding to 10631415391 its reverse (19351413601), we get a palindrome (29982828992).

The spelling of 10631415391 in words is "ten billion, six hundred thirty-one million, four hundred fifteen thousand, three hundred ninety-one".