10231331321 has 2 divisors, whose sum is σ = 10231331322. Its totient is φ = 10231331320.

The previous prime is 10231331309. The next prime is 10231331381. The reversal of 10231331321 is 12313313201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8170171321 + 2061160000 = 90389^2 + 45400^2 .

It is a cyclic number.

It is not a de Polignac number, because 10231331321 - 2²⁶ = 10164222457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10231331293 and 10231331302.

It is not a weakly prime, because it can be changed into another prime (10231331381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115665660 + 5115665661.

It is an arithmetic number, because the mean of its divisors is an integer number (5115665661).

Almost surely, 2^10231331321 is an apocalyptic number.

It is an amenable number.

10231331321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10231331321 is an equidigital number, since it uses as much as digits as its factorization.

10231331321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 10231331321 its reverse (12313313201), we get a palindrome (22544644522).

The spelling of 10231331321 in words is "ten billion, two hundred thirty-one million, three hundred thirty-one thousand, three hundred twenty-one".