200842731 has 6 divisors (see below), whose sum is σ = 290106180. Its totient is φ = 133895148.

The previous prime is 200842679. The next prime is 200842757. The reversal of 200842731 is 137248002.

200842731 is a `hidden beast` number, since 200 + 8 + 427 + 31 = 666.

It is not a de Polignac number, because 200842731 - 2⁹ = 200842219 is a prime.

It is a super-2 number, since 2×200842731² = 80675605191076722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200842695 and 200842704.

It is not an unprimeable number, because it can be changed into a prime (200841731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11157921 + ... + 11157938.

It is an arithmetic number, because the mean of its divisors is an integer number (48351030).

Almost surely, 2^200842731 is an apocalyptic number.

200842731 is a deficient number, since it is larger than the sum of its proper divisors (89263449).

200842731 is a wasteful number, since it uses less digits than its factorization.

200842731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22315865 (or 22315862 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 200842731 is about 14171.8993434190. The cubic root of 200842731 is about 585.6237834530.

The spelling of 200842731 in words is "two hundred million, eight hundred forty-two thousand, seven hundred thirty-one".