1331232203 has 12 divisors (see below), whose sum is σ = 1590436848. Its totient is φ = 1091442000.

The previous prime is 1331232197. The next prime is 1331232229. The reversal of 1331232203 is 3022321331.

It is not a de Polignac number, because 1331232203 - 2¹⁸ = 1330970059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331232233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176048 + ... + 183453.

It is an arithmetic number, because the mean of its divisors is an integer number (132536404).

Almost surely, 2^1331232203 is an apocalyptic number.

1331232203 is a deficient number, since it is larger than the sum of its proper divisors (259204645).

1331232203 is an equidigital number, since it uses as much as digits as its factorization.

1331232203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359554 (or 359531 counting only the distinct ones).

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

The square root of 1331232203 is about 36486.0549114316. The cubic root of 1331232203 is about 1100.0639640491.

Adding to 1331232203 its reverse (3022321331), we get a palindrome (4353553534).

The spelling of 1331232203 in words is "one billion, three hundred thirty-one million, two hundred thirty-two thousand, two hundred three".