10031312231 has 2 divisors, whose sum is σ = 10031312232. Its totient is φ = 10031312230.

The previous prime is 10031312089. The next prime is 10031312237. The reversal of 10031312231 is 13221313001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10031312231 - 2¹⁸ = 10031050087 is a prime.

It is a super-2 number, since 2×10031312231² (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 (10031312237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5015656115 + 5015656116.

It is an arithmetic number, because the mean of its divisors is an integer number (5015656116).

Almost surely, 2^10031312231 is an apocalyptic number.

10031312231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10031312231 is an equidigital number, since it uses as much as digits as its factorization.

10031312231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10031312231 its reverse (13221313001), we get a palindrome (23252625232).

The spelling of 10031312231 in words is "ten billion, thirty-one million, three hundred twelve thousand, two hundred thirty-one".