1310405113 has 4 divisors (see below), whose sum is σ = 1311486628. Its totient is φ = 1309323600.

The previous prime is 1310405099. The next prime is 1310405119. The reversal of 1310405113 is 3115040131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 211615209 + 1098789904 = 14547^2 + 33148^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310405113 - 2⁵ = 1310405081 is a prime.

It is a super-3 number, since 3×1310405113³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310405119) 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, 538938 + ... + 541363.

It is an arithmetic number, because the mean of its divisors is an integer number (327871657).

Almost surely, 2^1310405113 is an apocalyptic number.

It is an amenable number.

1310405113 is a deficient number, since it is larger than the sum of its proper divisors (1081515).

1310405113 is a wasteful number, since it uses less digits than its factorization.

1310405113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081514.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1310405113 is about 36199.5181321520. The cubic root of 1310405113 is about 1094.2969606386.

Adding to 1310405113 its reverse (3115040131), we get a palindrome (4425445244).

The spelling of 1310405113 in words is "one billion, three hundred ten million, four hundred five thousand, one hundred thirteen".