1310240040503 has 8 divisors (see below), whose sum is σ = 1387533270960. Its totient is φ = 1232971286400.

The previous prime is 1310240040457. The next prime is 1310240040517. The reversal of 1310240040503 is 3050400420131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1310240040503 - 2²⁴ = 1310223263287 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 (1310240040533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6008813 + ... + 6223046.

It is an arithmetic number, because the mean of its divisors is an integer number (173441658870).

Almost surely, 2^{1310240040503} is an apocalyptic number.

1310240040503 is a deficient number, since it is larger than the sum of its proper divisors (77293230457).

1310240040503 is a wasteful number, since it uses less digits than its factorization.

1310240040503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12238177.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 1310240040503 its reverse (3050400420131), we get a palindrome (4360640460634).

The spelling of 1310240040503 in words is "one trillion, three hundred ten billion, two hundred forty million, forty thousand, five hundred three".