1310425013503 has 4 divisors (see below), whose sum is σ = 1310427687600. Its totient is φ = 1310422339408.

The previous prime is 1310425013489. The next prime is 1310425013519. The reversal of 1310425013503 is 3053105240131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1310425013503 - 2²⁵ = 1310391459071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310425013903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367750 + ... + 1660147.

It is an arithmetic number, because the mean of its divisors is an integer number (327606921900).

Almost surely, 2^{1310425013503} is an apocalyptic number.

1310425013503 is a deficient number, since it is larger than the sum of its proper divisors (2674097).

1310425013503 is an equidigital number, since it uses as much as digits as its factorization.

1310425013503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674096.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 1310425013503 in words is "one trillion, three hundred ten billion, four hundred twenty-five million, thirteen thousand, five hundred three".