200431134 has 12 divisors (see below), whose sum is σ = 434267496. Its totient is φ = 66810372.

The previous prime is 200431123. The next prime is 200431159. The reversal of 200431134 is 431134002.

200431134 is a `hidden beast` number, since 200 + 431 + 1 + 34 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11135063 = 200431134 / (2 + 0 + 0 + 4 + 3 + 1 + 1 + 3 + 4).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5567514 + ... + 5567549.

It is an arithmetic number, because the mean of its divisors is an integer number (36188958).

Almost surely, 2^200431134 is an apocalyptic number.

200431134 is an abundant number, since it is smaller than the sum of its proper divisors (233836362).

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

200431134 is a wasteful number, since it uses less digits than its factorization.

200431134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11135071 (or 11135068 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 200431134 is about 14157.3703066636. The cubic root of 200431134 is about 585.2234605436.

Adding to 200431134 its reverse (431134002), we get a palindrome (631565136).

The spelling of 200431134 in words is "two hundred million, four hundred thirty-one thousand, one hundred thirty-four".