1311300234397 has 2 divisors, whose sum is σ = 1311300234398. Its totient is φ = 1311300234396.

The previous prime is 1311300234383. The next prime is 1311300234403. The reversal of 1311300234397 is 7934320031131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1224992958436 + 86307275961 = 1106794^2 + 293781^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311300234397 - 2⁷ = 1311300234269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311300234697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655650117198 + 655650117199.

It is an arithmetic number, because the mean of its divisors is an integer number (655650117199).

Almost surely, 2^{1311300234397} is an apocalyptic number.

It is an amenable number.

1311300234397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311300234397 is an equidigital number, since it uses as much as digits as its factorization.

1311300234397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 37.

The spelling of 1311300234397 in words is "one trillion, three hundred eleven billion, three hundred million, two hundred thirty-four thousand, three hundred ninety-seven".