200021010031 has 16 divisors (see below), whose sum is σ = 202797885600. Its totient is φ = 197256716800.

The previous prime is 200021009987. The next prime is 200021010067. The reversal of 200021010031 is 130010120002.

It is a cyclic number.

It is not a de Polignac number, because 200021010031 - 2⁹ = 200021009519 is a prime.

It is a super-2 number, since 2×200021010031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021110031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69911541 + ... + 69914401.

It is an arithmetic number, because the mean of its divisors is an integer number (12674867850).

Almost surely, 2^200021010031 is an apocalyptic number.

200021010031 is a deficient number, since it is larger than the sum of its proper divisors (2776875569).

200021010031 is an equidigital number, since it uses as much as digits as its factorization.

200021010031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730.

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

Adding to 200021010031 its reverse (130010120002), we get a palindrome (330031130033).

The spelling of 200021010031 in words is "two hundred billion, twenty-one million, ten thousand, thirty-one".