1310310120103 has 4 divisors (see below), whose sum is σ = 1310313578488. Its totient is φ = 1310306661720.

The previous prime is 1310310120061. The next prime is 1310310120137. The reversal of 1310310120103 is 3010210130131.

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 1310310120103 - 2¹³ = 1310310111911 is a prime.

It is a super-2 number, since 2×1310310120103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310310121103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079508 + ... + 1945753.

It is an arithmetic number, because the mean of its divisors is an integer number (327578394622).

Almost surely, 2^{1310310120103} is an apocalyptic number.

1310310120103 is a deficient number, since it is larger than the sum of its proper divisors (3458385).

1310310120103 is an equidigital number, since it uses as much as digits as its factorization.

1310310120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458384.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1310310120103 its reverse (3010210130131), we get a palindrome (4320520250234).

The spelling of 1310310120103 in words is "one trillion, three hundred ten billion, three hundred ten million, one hundred twenty thousand, one hundred three".