1310210005 has 8 divisors (see below), whose sum is σ = 1693194552. Its totient is φ = 967539648.

The previous prime is 1310209939. The next prime is 1310210047. The reversal of 1310210005 is 5000120131.

It can be written as a sum of positive squares in 4 ways, for example, as 69338929 + 1240871076 = 8327^2 + 35226^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1310210005 - 2⁷ = 1310209877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10078474 + ... + 10078603.

It is an arithmetic number, because the mean of its divisors is an integer number (211649319).

Almost surely, 2^1310210005 is an apocalyptic number.

It is an amenable number.

1310210005 is a deficient number, since it is larger than the sum of its proper divisors (382984547).

1310210005 is a wasteful number, since it uses less digits than its factorization.

1310210005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20157095.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1310210005 is about 36196.8231340818. The cubic root of 1310210005 is about 1094.2426474885.

Adding to 1310210005 its reverse (5000120131), we get a palindrome (6310330136).

The spelling of 1310210005 in words is "one billion, three hundred ten million, two hundred ten thousand, five".