1323000222031 has 2 divisors, whose sum is σ = 1323000222032. Its totient is φ = 1323000222030.

The previous prime is 1323000222001. The next prime is 1323000222079. The reversal of 1323000222031 is 1302220003231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1323000222031 - 2⁹ = 1323000221519 is a prime.

It is a super-2 number, since 2×1323000222031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323000222001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661500111015 + 661500111016.

It is an arithmetic number, because the mean of its divisors is an integer number (661500111016).

Almost surely, 2^{1323000222031} is an apocalyptic number.

1323000222031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323000222031 is an equidigital number, since it uses as much as digits as its factorization.

1323000222031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 1323000222031 its reverse (1302220003231), we get a palindrome (2625220225262).

The spelling of 1323000222031 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-two thousand, thirty-one".