1312031231153 has 2 divisors, whose sum is σ = 1312031231154. Its totient is φ = 1312031231152.

The previous prime is 1312031230949. The next prime is 1312031231177. The reversal of 1312031231153 is 3511321302131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1299273980449 + 12757250704 = 1139857^2 + 112948^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312031231153 - 2²⁰ = 1312030182577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312031231353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656015615576 + 656015615577.

It is an arithmetic number, because the mean of its divisors is an integer number (656015615577).

Almost surely, 2^{1312031231153} is an apocalyptic number.

It is an amenable number.

1312031231153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312031231153 is an equidigital number, since it uses as much as digits as its factorization.

1312031231153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 1312031231153 its reverse (3511321302131), we get a palindrome (4823352533284).

The spelling of 1312031231153 in words is "one trillion, three hundred twelve billion, thirty-one million, two hundred thirty-one thousand, one hundred fifty-three".