200431534 has 8 divisors (see below), whose sum is σ = 307980288. Its totient is φ = 97771440.

The previous prime is 200431529. The next prime is 200431537. The reversal of 200431534 is 435134002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200431537) 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, 1222062 + ... + 1222225.

It is an arithmetic number, because the mean of its divisors is an integer number (38497536).

Almost surely, 2^200431534 is an apocalyptic number.

200431534 is a deficient number, since it is larger than the sum of its proper divisors (107548754).

200431534 is a wasteful number, since it uses less digits than its factorization.

200431534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444330.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 200431534 is about 14157.3844335739. The cubic root of 200431534 is about 585.2238498531.

Adding to 200431534 its reverse (435134002), we get a palindrome (635565536).

The spelling of 200431534 in words is "two hundred million, four hundred thirty-one thousand, five hundred thirty-four".