1322312203 has 4 divisors (see below), whose sum is σ = 1323724360. Its totient is φ = 1320900048.

The previous prime is 1322312183. The next prime is 1322312213. The reversal of 1322312203 is 3022132231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3022132231 = 11299 ⋅267469.

It is a cyclic number.

It is not a de Polignac number, because 1322312203 - 2⁹ = 1322311691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322312213) 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, 704673 + ... + 706546.

It is an arithmetic number, because the mean of its divisors is an integer number (330931090).

Almost surely, 2^1322312203 is an apocalyptic number.

1322312203 is a deficient number, since it is larger than the sum of its proper divisors (1412157).

1322312203 is an equidigital number, since it uses as much as digits as its factorization.

1322312203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412156.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1322312203 is about 36363.6109730593. The cubic root of 1322312203 is about 1097.6014412179.

Adding to 1322312203 its reverse (3022132231), we get a palindrome (4344444434).

The spelling of 1322312203 in words is "one billion, three hundred twenty-two million, three hundred twelve thousand, two hundred three".