200430231031 has 4 divisors (see below), whose sum is σ = 202269040600. Its totient is φ = 198591421464.

The previous prime is 200430230999. The next prime is 200430231037. The reversal of 200430231031 is 130132034002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130132034002 = 2 ⋅65066017001.

It is a cyclic number.

It is not a de Polignac number, because 200430231031 - 2⁵ = 200430230999 is a prime.

It is a super-2 number, since 2×200430231031² (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 (200430231037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919404621 + ... + 919404838.

It is an arithmetic number, because the mean of its divisors is an integer number (50567260150).

Almost surely, 2^200430231031 is an apocalyptic number.

200430231031 is a deficient number, since it is larger than the sum of its proper divisors (1838809569).

200430231031 is a wasteful number, since it uses less digits than its factorization.

200430231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838809568.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 200430231031 its reverse (130132034002), we get a palindrome (330562265033).

The spelling of 200430231031 in words is "two hundred billion, four hundred thirty million, two hundred thirty-one thousand, thirty-one".