1312325203 has 16 divisors (see below), whose sum is σ = 1547640000. Its totient is φ = 1112185536.

The previous prime is 1312325177. The next prime is 1312325227. The reversal of 1312325203 is 3025232131.

It is not a de Polignac number, because 1312325203 - 2⁹ = 1312324691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312325233) 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 15 ways as a sum of consecutive naturals, for example, 9033 + ... + 52021.

It is an arithmetic number, because the mean of its divisors is an integer number (96727500).

Almost surely, 2^1312325203 is an apocalyptic number.

1312325203 is a deficient number, since it is larger than the sum of its proper divisors (235314797).

1312325203 is an frugal number, since it uses more digits than its factorization.

1312325203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43099 (or 43085 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1312325203 is about 36226.0293573557. The cubic root of 1312325203 is about 1094.8311779375.

Adding to 1312325203 its reverse (3025232131), we get a palindrome (4337557334).

The spelling of 1312325203 in words is "one billion, three hundred twelve million, three hundred twenty-five thousand, two hundred three".