13120131203 has 4 divisors (see below), whose sum is σ = 13121534448. Its totient is φ = 13118727960.

The previous prime is 13120131181. The next prime is 13120131221. The reversal of 13120131203 is 30213102131.

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 13120131203 - 2¹⁶ = 13120065667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120131103) 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, 687503 + ... + 706328.

It is an arithmetic number, because the mean of its divisors is an integer number (3280383612).

Almost surely, 2^13120131203 is an apocalyptic number.

13120131203 is a deficient number, since it is larger than the sum of its proper divisors (1403245).

13120131203 is an equidigital number, since it uses as much as digits as its factorization.

13120131203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403244.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13120131203 its reverse (30213102131), we get a palindrome (43333233334).

The spelling of 13120131203 in words is "thirteen billion, one hundred twenty million, one hundred thirty-one thousand, two hundred three".