200406031 has 12 divisors (see below), whose sum is σ = 233582808. Its totient is φ = 171439632.

The previous prime is 200406029. The next prime is 200406049. The reversal of 200406031 is 130604002.

It is not a de Polignac number, because 200406031 - 2¹ = 200406029 is a prime.

It is a super-2 number, since 2×200406031² = 80325154522345922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200405996 and 200406014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200406001) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 23065 + ... + 30541.

It is an arithmetic number, because the mean of its divisors is an integer number (19465234).

Almost surely, 2^200406031 is an apocalyptic number.

200406031 is a deficient number, since it is larger than the sum of its proper divisors (33176777).

200406031 is an equidigital number, since it uses as much as digits as its factorization.

200406031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8038 (or 8031 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 200406031 is about 14156.4837088876. The cubic root of 200406031 is about 585.1990274169.

The spelling of 200406031 in words is "two hundred million, four hundred six thousand, thirty-one".