1310617610251 has 2 divisors, whose sum is σ = 1310617610252. Its totient is φ = 1310617610250.

The previous prime is 1310617610233. The next prime is 1310617610261. The reversal of 1310617610251 is 1520167160131.

It is a strong prime.

It is an emirp because it is prime and its reverse (1520167160131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1310617610251 - 2⁵ = 1310617610219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310617610221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655308805125 + 655308805126.

It is an arithmetic number, because the mean of its divisors is an integer number (655308805126).

Almost surely, 2^{1310617610251} is an apocalyptic number.

1310617610251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310617610251 is an equidigital number, since it uses as much as digits as its factorization.

1310617610251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 1310617610251 in words is "one trillion, three hundred ten billion, six hundred seventeen million, six hundred ten thousand, two hundred fifty-one".