1311301103 has 24 divisors (see below), whose sum is σ = 1621235952. Its totient is φ = 1053851904.

The previous prime is 1311301087. The next prime is 1311301109. The reversal of 1311301103 is 3011031131.

It is a happy number.

It is not a de Polignac number, because 1311301103 - 2⁴ = 1311301087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311301109) 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 23 ways as a sum of consecutive naturals, for example, 227900 + ... + 233582.

It is an arithmetic number, because the mean of its divisors is an integer number (67551498).

Almost surely, 2^1311301103 is an apocalyptic number.

1311301103 is a deficient number, since it is larger than the sum of its proper divisors (309934849).

1311301103 is a wasteful number, since it uses less digits than its factorization.

1311301103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991 (or 5984 counting only the distinct ones).

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

The square root of 1311301103 is about 36211.8917346222. The cubic root of 1311301103 is about 1094.5463124717.

Adding to 1311301103 its reverse (3011031131), we get a palindrome (4322332234).

The spelling of 1311301103 in words is "one billion, three hundred eleven million, three hundred one thousand, one hundred three".