10231321031 has 2 divisors, whose sum is σ = 10231321032. Its totient is φ = 10231321030.

The previous prime is 10231321019. The next prime is 10231321033. The reversal of 10231321031 is 13012313201.

10231321031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10231321031 is a prime.

It is a super-2 number, since 2×10231321031² (a number of 21 digits) contains 22 as substring.

Together with 10231321033, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10231321033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115660515 + 5115660516.

It is an arithmetic number, because the mean of its divisors is an integer number (5115660516).

Almost surely, 2^10231321031 is an apocalyptic number.

10231321031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10231321031 is an equidigital number, since it uses as much as digits as its factorization.

10231321031 is an odious number, because the sum of its binary digits is odd.

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

Adding to 10231321031 its reverse (13012313201), we get a palindrome (23243634232).

The spelling of 10231321031 in words is "ten billion, two hundred thirty-one million, three hundred twenty-one thousand, thirty-one".