200342531 has 8 divisors (see below), whose sum is σ = 206688384. Its totient is φ = 194045760.

The previous prime is 200342497. The next prime is 200342537. The reversal of 200342531 is 135243002.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-200342531 is a prime.

It is a super-2 number, since 2×200342531² = 80274259454971922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200342537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3890 + ... + 20391.

It is an arithmetic number, because the mean of its divisors is an integer number (25836048).

Almost surely, 2^200342531 is an apocalyptic number.

200342531 is a deficient number, since it is larger than the sum of its proper divisors (6345853).

200342531 is a wasteful number, since it uses less digits than its factorization.

200342531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24541.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 200342531 is about 14154.2407426184. The cubic root of 200342531 is about 585.1372128039.

Adding to 200342531 its reverse (135243002), we get a palindrome (335585533).

The spelling of 200342531 in words is "two hundred million, three hundred forty-two thousand, five hundred thirty-one".