200031142 has 8 divisors (see below), whose sum is σ = 300461616. Its totient is φ = 99877272.

The previous prime is 200031137. The next prime is 200031151. The reversal of 200031142 is 241130002.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67333 + ... + 70240.

It is an arithmetic number, because the mean of its divisors is an integer number (37557702).

Almost surely, 2^200031142 is an apocalyptic number.

200031142 is a deficient number, since it is larger than the sum of its proper divisors (100430474).

200031142 is a wasteful number, since it uses less digits than its factorization.

200031142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138302.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 200031142 is about 14143.2366168427. The cubic root of 200031142 is about 584.8338993207.

Adding to 200031142 its reverse (241130002), we get a palindrome (441161144).

The spelling of 200031142 in words is "two hundred million, thirty-one thousand, one hundred forty-two".