200131000021 has 8 divisors (see below), whose sum is σ = 208931889600. Its totient is φ = 191338405632.

The previous prime is 200131000019. The next prime is 200131000081. The reversal of 200131000021 is 120000131002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200131000021 - 2¹ = 200131000019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200130999971 and 200131000007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200131000081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2024460 + ... + 2121013.

It is an arithmetic number, because the mean of its divisors is an integer number (26116486200).

Almost surely, 2^200131000021 is an apocalyptic number.

It is an amenable number.

200131000021 is a deficient number, since it is larger than the sum of its proper divisors (8800889579).

200131000021 is a wasteful number, since it uses less digits than its factorization.

200131000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147595.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 200131000021 its reverse (120000131002), we get a palindrome (320131131023).

The spelling of 200131000021 in words is "two hundred billion, one hundred thirty-one million, twenty-one", and thus it is an aban number.