1313322203 has 4 divisors (see below), whose sum is σ = 1326073008. Its totient is φ = 1300571400.

The previous prime is 1313322167. The next prime is 1313322239. The reversal of 1313322203 is 3022233131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1313322167) and next prime (1313322239).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1313322203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313325203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6375248 + ... + 6375453.

It is an arithmetic number, because the mean of its divisors is an integer number (331518252).

Almost surely, 2^1313322203 is an apocalyptic number.

1313322203 is a deficient number, since it is larger than the sum of its proper divisors (12750805).

1313322203 is a wasteful number, since it uses less digits than its factorization.

1313322203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12750804.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1313322203 is about 36239.7875683619. The cubic root of 1313322203 is about 1095.1083628850.

Adding to 1313322203 its reverse (3022233131), we get a palindrome (4335555334).

The spelling of 1313322203 in words is "one billion, three hundred thirteen million, three hundred twenty-two thousand, two hundred three".