1310243313 has 8 divisors (see below), whose sum is σ = 1747160800. Its totient is φ = 873410688.

The previous prime is 1310243281. The next prime is 1310243359. The reversal of 1310243313 is 3133420131.

1310243313 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1310243313 - 2⁵ = 1310243281 is a prime.

It is a super-2 number, since 2×1310243313² = 3433475078522431938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310243313.

It is not an unprimeable number, because it can be changed into a prime (1310243213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40278 + ... + 65136.

It is an arithmetic number, because the mean of its divisors is an integer number (218395100).

Almost surely, 2^1310243313 is an apocalyptic number.

It is an amenable number.

1310243313 is a deficient number, since it is larger than the sum of its proper divisors (436917487).

1310243313 is a wasteful number, since it uses less digits than its factorization.

1310243313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42431.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1310243313 is about 36197.2832267837. The cubic root of 1310243313 is about 1094.2519199780.

Adding to 1310243313 its reverse (3133420131), we get a palindrome (4443663444).

The spelling of 1310243313 in words is "one billion, three hundred ten million, two hundred forty-three thousand, three hundred thirteen".