200040311 has 4 divisors (see below), whose sum is σ = 200221800. Its totient is φ = 199858824.

The previous prime is 200040307. The next prime is 200040331. The reversal of 200040311 is 113040002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200040311 - 2² = 200040307 is a prime.

It is a super-2 number, since 2×200040311² = 80032252049953442, 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 = 200040292 and 200040301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200040331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89081 + ... + 91298.

It is an arithmetic number, because the mean of its divisors is an integer number (50055450).

Almost surely, 2^200040311 is an apocalyptic number.

200040311 is a deficient number, since it is larger than the sum of its proper divisors (181489).

200040311 is a wasteful number, since it uses less digits than its factorization.

200040311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181488.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 200040311 is about 14143.5607609965. The cubic root of 200040311 is about 584.8428350295.

Adding to 200040311 its reverse (113040002), we get a palindrome (313080313).

The spelling of 200040311 in words is "two hundred million, forty thousand, three hundred eleven".