1310311103 has 4 divisors (see below), whose sum is σ = 1335034008. Its totient is φ = 1285588200.

The previous prime is 1310311097. The next prime is 1310311129. The reversal of 1310311103 is 3011130131.

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 1310311103 - 2²⁸ = 1041875647 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 (1310311153) 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 3 ways as a sum of consecutive naturals, for example, 12361373 + ... + 12361478.

It is an arithmetic number, because the mean of its divisors is an integer number (333758502).

Almost surely, 2^1310311103 is an apocalyptic number.

1310311103 is a deficient number, since it is larger than the sum of its proper divisors (24722905).

1310311103 is an equidigital number, since it uses as much as digits as its factorization.

1310311103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24722904.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1310311103 is about 36198.2196109146. The cubic root of 1310311103 is about 1094.2707912969.

Adding to 1310311103 its reverse (3011130131), we get a palindrome (4321441234).

The spelling of 1310311103 in words is "one billion, three hundred ten million, three hundred eleven thousand, one hundred three".