1310043605251 has 2 divisors, whose sum is σ = 1310043605252. Its totient is φ = 1310043605250.

The previous prime is 1310043605219. The next prime is 1310043605291. The reversal of 1310043605251 is 1525063400131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310043605251 - 2⁵ = 1310043605219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310043605291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655021802625 + 655021802626.

It is an arithmetic number, because the mean of its divisors is an integer number (655021802626).

Almost surely, 2^{1310043605251} is an apocalyptic number.

1310043605251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310043605251 is an equidigital number, since it uses as much as digits as its factorization.

1310043605251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 1310043605251 in words is "one trillion, three hundred ten billion, forty-three million, six hundred five thousand, two hundred fifty-one".