200131342 has 4 divisors (see below), whose sum is σ = 300197016. Its totient is φ = 100065670.

The previous prime is 200131289. The next prime is 200131387. The reversal of 200131342 is 243131002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243131002 = 2 ⋅121565501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50032834 + ... + 50032837.

It is an arithmetic number, because the mean of its divisors is an integer number (75049254).

Almost surely, 2^200131342 is an apocalyptic number.

200131342 is a deficient number, since it is larger than the sum of its proper divisors (100065674).

200131342 is a wasteful number, since it uses less digits than its factorization.

200131342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100065673.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 200131342 is about 14146.7785025425. The cubic root of 200131342 is about 584.9315350757.

Adding to 200131342 its reverse (243131002), we get a palindrome (443262344).

The spelling of 200131342 in words is "two hundred million, one hundred thirty-one thousand, three hundred forty-two".