1312343313 has 8 divisors (see below), whose sum is σ = 1779448800. Its totient is φ = 860066688.

The previous prime is 1312343309. The next prime is 1312343317. The reversal of 1312343313 is 3133432131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1312343309) and next prime (1312343317).

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

It is not a de Polignac number, because 1312343313 - 2² = 1312343309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312343317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3707008 + ... + 3707361.

It is an arithmetic number, because the mean of its divisors is an integer number (222431100).

Almost surely, 2^1312343313 is an apocalyptic number.

It is an amenable number.

1312343313 is a deficient number, since it is larger than the sum of its proper divisors (467105487).

1312343313 is an equidigital number, since it uses as much as digits as its factorization.

1312343313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7414431.

The product of its digits is 1944, while the sum is 24.

The square root of 1312343313 is about 36226.2793148841. The cubic root of 1312343313 is about 1094.8362141133.

Adding to 1312343313 its reverse (3133432131), we get a palindrome (4445775444).

The spelling of 1312343313 in words is "one billion, three hundred twelve million, three hundred forty-three thousand, three hundred thirteen".