131123303203 has 4 divisors (see below), whose sum is σ = 131124036960. Its totient is φ = 131122569448.

The previous prime is 131123303191. The next prime is 131123303221. The reversal of 131123303203 is 302303321131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 131123303203 - 2³³ = 122533368611 is a prime.

It is a super-3 number, since 3×131123303203³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131123303503) 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, 95001 + ... + 520837.

It is an arithmetic number, because the mean of its divisors is an integer number (32781009240).

Almost surely, 2^131123303203 is an apocalyptic number.

131123303203 is a deficient number, since it is larger than the sum of its proper divisors (733757).

131123303203 is an equidigital number, since it uses as much as digits as its factorization.

131123303203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733756.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 131123303203 its reverse (302303321131), we get a palindrome (433426624334).

The spelling of 131123303203 in words is "one hundred thirty-one billion, one hundred twenty-three million, three hundred three thousand, two hundred three".