10311233021 has 2 divisors, whose sum is σ = 10311233022. Its totient is φ = 10311233020.

The previous prime is 10311232993. The next prime is 10311233059. The reversal of 10311233021 is 12033211301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9523027396 + 788205625 = 97586^2 + 28075^2 .

It is an emirp because it is prime and its reverse (12033211301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10311233021 - 2⁶ = 10311232957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10311233071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155616510 + 5155616511.

It is an arithmetic number, because the mean of its divisors is an integer number (5155616511).

Almost surely, 2^10311233021 is an apocalyptic number.

It is an amenable number.

10311233021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10311233021 is an equidigital number, since it uses as much as digits as its factorization.

10311233021 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 10311233021 its reverse (12033211301), we get a palindrome (22344444322).

The spelling of 10311233021 in words is "ten billion, three hundred eleven million, two hundred thirty-three thousand, twenty-one".