1022321231231 has 2 divisors, whose sum is σ = 1022321231232. Its totient is φ = 1022321231230.

The previous prime is 1022321231227. The next prime is 1022321231249. The reversal of 1022321231231 is 1321321232201.

1022321231231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022321231231 - 2² = 1022321231227 is a prime.

It is a super-2 number, since 2×1022321231231² (a number of 25 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 = 1022321231197 and 1022321231206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022321231291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511160615615 + 511160615616.

It is an arithmetic number, because the mean of its divisors is an integer number (511160615616).

Almost surely, 2^{1022321231231} is an apocalyptic number.

1022321231231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022321231231 is an equidigital number, since it uses as much as digits as its factorization.

1022321231231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1022321231231 its reverse (1321321232201), we get a palindrome (2343642463432).

The spelling of 1022321231231 in words is "one trillion, twenty-two billion, three hundred twenty-one million, two hundred thirty-one thousand, two hundred thirty-one".