200142317 has 4 divisors (see below), whose sum is σ = 200220576. Its totient is φ = 200064060.

The previous prime is 200142301. The next prime is 200142329. The reversal of 200142317 is 713241002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200142317 - 2⁴ = 200142301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200142367) 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, 35159 + ... + 40452.

It is an arithmetic number, because the mean of its divisors is an integer number (50055144).

Almost surely, 2^200142317 is an apocalyptic number.

It is an amenable number.

200142317 is a deficient number, since it is larger than the sum of its proper divisors (78259).

200142317 is an equidigital number, since it uses as much as digits as its factorization.

200142317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78258.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 200142317 is about 14147.1663947237. The cubic root of 200142317 is about 584.9422272312.

Adding to 200142317 its reverse (713241002), we get a palindrome (913383319).

The spelling of 200142317 in words is "two hundred million, one hundred forty-two thousand, three hundred seventeen".