200340431 has 2 divisors, whose sum is σ = 200340432. Its totient is φ = 200340430.

The previous prime is 200340407. The next prime is 200340433. The reversal of 200340431 is 134043002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200340431 - 2²² = 196146127 is a prime.

It is a super-2 number, since 2×200340431² = 80272576586531522, which contains 22 as substring.

Together with 200340433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200340433) 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 as a sum of consecutive naturals, namely, 100170215 + 100170216.

It is an arithmetic number, because the mean of its divisors is an integer number (100170216).

Almost surely, 2^200340431 is an apocalyptic number.

200340431 is a deficient number, since it is larger than the sum of its proper divisors (1).

200340431 is an equidigital number, since it uses as much as digits as its factorization.

200340431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 200340431 is about 14154.1665597095. The cubic root of 200340431 is about 585.1351683180.

Adding to 200340431 its reverse (134043002), we get a palindrome (334383433).

The spelling of 200340431 in words is "two hundred million, three hundred forty thousand, four hundred thirty-one".