1230321000331 has 2 divisors, whose sum is σ = 1230321000332. Its totient is φ = 1230321000330.

The previous prime is 1230321000329. The next prime is 1230321000379. The reversal of 1230321000331 is 1330001230321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230321000331 - 2¹ = 1230321000329 is a prime.

It is a super-2 number, since 2×1230321000331² (a number of 25 digits) contains 22 as substring.

Together with 1230321000329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1230321000299 and 1230321000308.

It is not a weakly prime, because it can be changed into another prime (1230321000731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615160500165 + 615160500166.

It is an arithmetic number, because the mean of its divisors is an integer number (615160500166).

Almost surely, 2^{1230321000331} is an apocalyptic number.

1230321000331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230321000331 is an equidigital number, since it uses as much as digits as its factorization.

1230321000331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1230321000331 its reverse (1330001230321), we get a palindrome (2560322230652).

The spelling of 1230321000331 in words is "one trillion, two hundred thirty billion, three hundred twenty-one million, three hundred thirty-one", and thus it is an aban number.