13131201330203 has 64 divisors (see below), whose sum is σ = 15846768875520. Its totient is φ = 10834993128960.

The previous prime is 13131201330199. The next prime is 13131201330277. The reversal of 13131201330203 is 30203310213131.

It is not a de Polignac number, because 13131201330203 - 2² = 13131201330199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13131201330703) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 76778501 + ... + 76949337.

It is an arithmetic number, because the mean of its divisors is an integer number (247605763680).

Almost surely, 2^{13131201330203} is an apocalyptic number.

13131201330203 is a deficient number, since it is larger than the sum of its proper divisors (2715567545317).

13131201330203 is a wasteful number, since it uses less digits than its factorization.

13131201330203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171009 (or 170987 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13131201330203 its reverse (30203310213131), we get a palindrome (43334511543334).

The spelling of 13131201330203 in words is "thirteen trillion, one hundred thirty-one billion, two hundred one million, three hundred thirty thousand, two hundred three".