1312132203 has 32 divisors (see below), whose sum is σ = 1973313600. Its totient is φ = 872350560.

The previous prime is 1312132177. The next prime is 1312132207. The reversal of 1312132203 is 3022312131.

1312132203 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1312132203 - 2¹² = 1312128107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312132207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1182613 + ... + 1183721.

It is an arithmetic number, because the mean of its divisors is an integer number (61666050).

Almost surely, 2^1312132203 is an apocalyptic number.

1312132203 is a deficient number, since it is larger than the sum of its proper divisors (661181397).

1312132203 is an frugal number, since it uses more digits than its factorization.

1312132203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1653 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1312132203 is about 36223.3654289604. The cubic root of 1312132203 is about 1094.7775040523. Note that the first 3 decimals are identical.

Adding to 1312132203 its reverse (3022312131), we get a palindrome (4334444334).

The spelling of 1312132203 in words is "one billion, three hundred twelve million, one hundred thirty-two thousand, two hundred three".