200131242 has 16 divisors (see below), whose sum is σ = 423807552. Its totient is φ = 62786240.

The previous prime is 200131231. The next prime is 200131247. The reversal of 200131242 is 242131002.

It is a super-3 number, since 3×200131242³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (200131247) 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, 980934 + ... + 981137.

It is an arithmetic number, because the mean of its divisors is an integer number (26487972).

Almost surely, 2^200131242 is an apocalyptic number.

200131242 is an abundant number, since it is smaller than the sum of its proper divisors (223676310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200131242 is a wasteful number, since it uses less digits than its factorization.

200131242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962093.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 200131242 is about 14146.7749681685. The cubic root of 200131242 is about 584.9314376511.

Adding to 200131242 its reverse (242131002), we get a palindrome (442262244).

The spelling of 200131242 in words is "two hundred million, one hundred thirty-one thousand, two hundred forty-two".