1312113030233 has 2 divisors, whose sum is σ = 1312113030234. Its totient is φ = 1312113030232.

The previous prime is 1312113030199. The next prime is 1312113030253. The reversal of 1312113030233 is 3320303112131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1301397260944 + 10715769289 = 1140788^2 + 103517^2 .

It is an emirp because it is prime and its reverse (3320303112131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1312113030233 - 2¹⁸ = 1312112768089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312113030199 and 1312113030208.

It is not a weakly prime, because it can be changed into another prime (1312113030253) 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, 656056515116 + 656056515117.

It is an arithmetic number, because the mean of its divisors is an integer number (656056515117).

Almost surely, 2^{1312113030233} is an apocalyptic number.

It is an amenable number.

1312113030233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312113030233 is an equidigital number, since it uses as much as digits as its factorization.

1312113030233 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 1312113030233 its reverse (3320303112131), we get a palindrome (4632416142364).

The spelling of 1312113030233 in words is "one trillion, three hundred twelve billion, one hundred thirteen million, thirty thousand, two hundred thirty-three".