200421131303 has 4 divisors (see below), whose sum is σ = 200611828008. Its totient is φ = 200230434600.

The previous prime is 200421131299. The next prime is 200421131333. The reversal of 200421131303 is 303131124002.

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 200421131303 - 2² = 200421131299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200421131333) 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, 95346776 + ... + 95348877.

It is an arithmetic number, because the mean of its divisors is an integer number (50152957002).

Almost surely, 2^200421131303 is an apocalyptic number.

200421131303 is a deficient number, since it is larger than the sum of its proper divisors (190696705).

200421131303 is a wasteful number, since it uses less digits than its factorization.

200421131303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190696704.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 200421131303 its reverse (303131124002), we get a palindrome (503552255305).

The spelling of 200421131303 in words is "two hundred billion, four hundred twenty-one million, one hundred thirty-one thousand, three hundred three".