200320021001031 has 4 divisors (see below), whose sum is σ = 267093361334712. Its totient is φ = 133546680667352.

The previous prime is 200320021001011. The next prime is 200320021001077. The reversal of 200320021001031 is 130100120023002.

200320021001031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 200320021001031 - 2¹⁰ = 200320021000007 is a prime.

It is a super-2 number, since 2×200320021001031² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200320021001031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200320021001011) 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, 33386670166836 + ... + 33386670166841.

It is an arithmetic number, because the mean of its divisors is an integer number (66773340333678).

Almost surely, 2^{200320021001031} is an apocalyptic number.

200320021001031 is a deficient number, since it is larger than the sum of its proper divisors (66773340333681).

200320021001031 is an equidigital number, since it uses as much as digits as its factorization.

200320021001031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66773340333680.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 200320021001031 its reverse (130100120023002), we get a palindrome (330420141024033).

The spelling of 200320021001031 in words is "two hundred trillion, three hundred twenty billion, twenty-one million, one thousand, thirty-one".