200320401031 has 4 divisors (see below), whose sum is σ = 200362200192. Its totient is φ = 200278601872.

The previous prime is 200320401023. The next prime is 200320401079. The reversal of 200320401031 is 130104023002.

It is a happy number.

200320401031 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 200320401031 - 2³ = 200320401023 is a prime.

It is a super-2 number, since 2×200320401031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200320400996 and 200320401014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200320401091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20892391 + ... + 20901976.

It is an arithmetic number, because the mean of its divisors is an integer number (50090550048).

Almost surely, 2^200320401031 is an apocalyptic number.

200320401031 is a deficient number, since it is larger than the sum of its proper divisors (41799161).

200320401031 is an equidigital number, since it uses as much as digits as its factorization.

200320401031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41799160.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 200320401031 its reverse (130104023002), we get a palindrome (330424424033).

The spelling of 200320401031 in words is "two hundred billion, three hundred twenty million, four hundred one thousand, thirty-one".