13131013131203 has 4 divisors (see below), whose sum is σ = 14324741597688. Its totient is φ = 11937284664720.

The previous prime is 13131013131179. The next prime is 13131013131239. The reversal of 13131013131203 is 30213131013131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13131013131203 - 2¹² = 13131013127107 is a prime.

It is a super-2 number, since 2×13131013131203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131013130203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596864233226 + ... + 596864233247.

It is an arithmetic number, because the mean of its divisors is an integer number (3581185399422).

Almost surely, 2^{13131013131203} is an apocalyptic number.

13131013131203 is a deficient number, since it is larger than the sum of its proper divisors (1193728466485).

13131013131203 is a wasteful number, since it uses less digits than its factorization.

13131013131203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193728466484.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 13131013131203 its reverse (30213131013131), we get a palindrome (43344144144334).

The spelling of 13131013131203 in words is "thirteen trillion, one hundred thirty-one billion, thirteen million, one hundred thirty-one thousand, two hundred three".