1312344303 has 8 divisors (see below), whose sum is σ = 1750060416. Its totient is φ = 874762200.

The previous prime is 1312344263. The next prime is 1312344347. The reversal of 1312344303 is 3034432131.

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

It is not a de Polignac number, because 1312344303 - 2⁶ = 1312344239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312343303) 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 7 ways as a sum of consecutive naturals, for example, 7843 + ... + 51828.

It is an arithmetic number, because the mean of its divisors is an integer number (218757552).

Almost surely, 2^1312344303 is an apocalyptic number.

1312344303 is a deficient number, since it is larger than the sum of its proper divisors (437716113).

1312344303 is an equidigital number, since it uses as much as digits as its factorization.

1312344303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67005.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 1312344303 is about 36226.2929789952. The cubic root of 1312344303 is about 1094.8364894192.

Adding to 1312344303 its reverse (3034432131), we get a palindrome (4346776434).

The spelling of 1312344303 in words is "one billion, three hundred twelve million, three hundred forty-four thousand, three hundred three".