10312235231 has 2 divisors, whose sum is σ = 10312235232. Its totient is φ = 10312235230.

The previous prime is 10312235149. The next prime is 10312235333. The reversal of 10312235231 is 13253221301.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10312235231 is a prime.

It is a super-2 number, since 2×10312235231² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 10312235197 and 10312235206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10312235431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156117615 + 5156117616.

It is an arithmetic number, because the mean of its divisors is an integer number (5156117616).

Almost surely, 2^10312235231 is an apocalyptic number.

10312235231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10312235231 is an equidigital number, since it uses as much as digits as its factorization.

10312235231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 10312235231 its reverse (13253221301), we get a palindrome (23565456532).

The spelling of 10312235231 in words is "ten billion, three hundred twelve million, two hundred thirty-five thousand, two hundred thirty-one".