1331230203 has 48 divisors (see below), whose sum is σ = 2088174816. Its totient is φ = 814095360.

The previous prime is 1331230177. The next prime is 1331230211. The reversal of 1331230203 is 3020321331.

It is not a de Polignac number, because 1331230203 - 2⁵ = 1331230171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331230273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1467276 + ... + 1468182.

It is an arithmetic number, because the mean of its divisors is an integer number (43503642).

Almost surely, 2^1331230203 is an apocalyptic number.

1331230203 is a deficient number, since it is larger than the sum of its proper divisors (756944613).

1331230203 is a wasteful number, since it uses less digits than its factorization.

1331230203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1331230203 is about 36486.0275036897. The cubic root of 1331230203 is about 1100.0634131487.

Adding to 1331230203 its reverse (3020321331), we get a palindrome (4351551534).

The spelling of 1331230203 in words is "one billion, three hundred thirty-one million, two hundred thirty thousand, two hundred three".