204131222003 has 4 divisors (see below), whose sum is σ = 208878459768. Its totient is φ = 199383984240.

The previous prime is 204131221991. The next prime is 204131222021. The reversal of 204131222003 is 300222131402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204131222003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204131222063) 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, 2373618818 + ... + 2373618903.

It is an arithmetic number, because the mean of its divisors is an integer number (52219614942).

Almost surely, 2^204131222003 is an apocalyptic number.

204131222003 is a deficient number, since it is larger than the sum of its proper divisors (4747237765).

204131222003 is an equidigital number, since it uses as much as digits as its factorization.

204131222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747237764.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 204131222003 its reverse (300222131402), we get a palindrome (504353353405).

The spelling of 204131222003 in words is "two hundred four billion, one hundred thirty-one million, two hundred twenty-two thousand, three".