1230243330311 has 2 divisors, whose sum is σ = 1230243330312. Its totient is φ = 1230243330310.

The previous prime is 1230243330241. The next prime is 1230243330313. The reversal of 1230243330311 is 1130333420321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230243330311 - 2²⁶ = 1230176221447 is a prime.

Together with 1230243330313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230243330313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615121665155 + 615121665156.

It is an arithmetic number, because the mean of its divisors is an integer number (615121665156).

Almost surely, 2^{1230243330311} is an apocalyptic number.

1230243330311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230243330311 is an equidigital number, since it uses as much as digits as its factorization.

1230243330311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1230243330311 its reverse (1130333420321), we get a palindrome (2360576750632).

The spelling of 1230243330311 in words is "one trillion, two hundred thirty billion, two hundred forty-three million, three hundred thirty thousand, three hundred eleven".