1311735103 has 16 divisors (see below), whose sum is σ = 1578677760. Its totient is φ = 1065578976.

The previous prime is 1311735097. The next prime is 1311735119. The reversal of 1311735103 is 3015371131.

It is not a de Polignac number, because 1311735103 - 2¹⁷ = 1311604031 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 (1311775103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19825 + ... + 54922.

It is an arithmetic number, because the mean of its divisors is an integer number (98667360).

Almost surely, 2^1311735103 is an apocalyptic number.

1311735103 is a deficient number, since it is larger than the sum of its proper divisors (266942657).

1311735103 is a wasteful number, since it uses less digits than its factorization.

1311735103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74886.

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 1311735103 is about 36217.8837454648. The cubic root of 1311735103 is about 1094.6670527809.

The spelling of 1311735103 in words is "one billion, three hundred eleven million, seven hundred thirty-five thousand, one hundred three".