1331313031203 has 16 divisors (see below), whose sum is σ = 1799857320576. Its totient is φ = 875161558080.

The previous prime is 1331313031193. The next prime is 1331313031219. The reversal of 1331313031203 is 3021303131331.

It is not a de Polignac number, because 1331313031203 - 2²⁵ = 1331279476771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331313031253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94308 + ... + 1634478.

It is an arithmetic number, because the mean of its divisors is an integer number (112491082536).

Almost surely, 2^{1331313031203} is an apocalyptic number.

1331313031203 is a deficient number, since it is larger than the sum of its proper divisors (468544289373).

1331313031203 is a wasteful number, since it uses less digits than its factorization.

1331313031203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544194.

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 1331313031203 its reverse (3021303131331), we get a palindrome (4352616162534).

The spelling of 1331313031203 in words is "one trillion, three hundred thirty-one billion, three hundred thirteen million, thirty-one thousand, two hundred three".