1310218025827 has 2 divisors, whose sum is σ = 1310218025828. Its totient is φ = 1310218025826.

The previous prime is 1310218025819. The next prime is 1310218025833. The reversal of 1310218025827 is 7285208120131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1310218025827 - 2³ = 1310218025819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1310218025827.

It is not a weakly prime, because it can be changed into another prime (1310218025867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655109012913 + 655109012914.

It is an arithmetic number, because the mean of its divisors is an integer number (655109012914).

Almost surely, 2^{1310218025827} is an apocalyptic number.

1310218025827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310218025827 is an equidigital number, since it uses as much as digits as its factorization.

1310218025827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 1310218025827 in words is "one trillion, three hundred ten billion, two hundred eighteen million, twenty-five thousand, eight hundred twenty-seven".