200045431 has 2 divisors, whose sum is σ = 200045432. Its totient is φ = 200045430.

The previous prime is 200045429. The next prime is 200045497. The reversal of 200045431 is 134540002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200045431 - 2¹ = 200045429 is a prime.

It is a super-2 number, since 2×200045431² = 80036348927951522, which contains 22 as substring.

Together with 200045429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 200045399 and 200045408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200045231) 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, 100022715 + 100022716.

It is an arithmetic number, because the mean of its divisors is an integer number (100022716).

Almost surely, 2^200045431 is an apocalyptic number.

200045431 is a deficient number, since it is larger than the sum of its proper divisors (1).

200045431 is an equidigital number, since it uses as much as digits as its factorization.

200045431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 200045431 is about 14143.7417609344. The cubic root of 200045431 is about 584.8478246401.

Adding to 200045431 its reverse (134540002), we get a palindrome (334585433).

The spelling of 200045431 in words is "two hundred million, forty-five thousand, four hundred thirty-one".