1232001313331 has 2 divisors, whose sum is σ = 1232001313332. Its totient is φ = 1232001313330.

The previous prime is 1232001313321. The next prime is 1232001313349. The reversal of 1232001313331 is 1333131002321.

It is a weak prime.

It is an emirp because it is prime and its reverse (1333131002321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232001313331 is a prime.

It is a super-2 number, since 2×1232001313331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1232001313297 and 1232001313306.

It is not a weakly prime, because it can be changed into another prime (1232001313321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616000656665 + 616000656666.

It is an arithmetic number, because the mean of its divisors is an integer number (616000656666).

Almost surely, 2^{1232001313331} is an apocalyptic number.

1232001313331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232001313331 is an equidigital number, since it uses as much as digits as its factorization.

1232001313331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1232001313331 its reverse (1333131002321), we get a palindrome (2565132315652).

The spelling of 1232001313331 in words is "one trillion, two hundred thirty-two billion, one million, three hundred thirteen thousand, three hundred thirty-one".