2313311111233 has 2 divisors, whose sum is σ = 2313311111234. Its totient is φ = 2313311111232.

The previous prime is 2313311111207. The next prime is 2313311111257. The reversal of 2313311111233 is 3321111133132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2298913991089 + 14397120144 = 1516217^2 + 119988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2313311111233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2313311111198 and 2313311111207.

It is not a weakly prime, because it can be changed into another prime (2313311111203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156655555616 + 1156655555617.

It is an arithmetic number, because the mean of its divisors is an integer number (1156655555617).

Almost surely, 2^{2313311111233} is an apocalyptic number.

It is an amenable number.

2313311111233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313311111233 is an equidigital number, since it uses as much as digits as its factorization.

2313311111233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 25.

Adding to 2313311111233 its reverse (3321111133132), we get a palindrome (5634422244365).

The spelling of 2313311111233 in words is "two trillion, three hundred thirteen billion, three hundred eleven million, one hundred eleven thousand, two hundred thirty-three".