131122330203 has 4 divisors (see below), whose sum is σ = 174829773608. Its totient is φ = 87414886800.

The previous prime is 131122330123. The next prime is 131122330223. The reversal of 131122330203 is 302033221131.

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

It is not a de Polignac number, because 131122330203 - 2³³ = 122532395611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131122330203.

It is not an unprimeable number, because it can be changed into a prime (131122330223) 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, 21853721698 + ... + 21853721703.

It is an arithmetic number, because the mean of its divisors is an integer number (43707443402).

Almost surely, 2^131122330203 is an apocalyptic number.

131122330203 is a deficient number, since it is larger than the sum of its proper divisors (43707443405).

131122330203 is an equidigital number, since it uses as much as digits as its factorization.

131122330203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43707443404.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131122330203 its reverse (302033221131), we get a palindrome (433155551334).

The spelling of 131122330203 in words is "one hundred thirty-one billion, one hundred twenty-two million, three hundred thirty thousand, two hundred three".