200316981 has 16 divisors (see below), whose sum is σ = 281664000. Its totient is φ = 126283248.

The previous prime is 200316979. The next prime is 200316989. The reversal of 200316981 is 189613002.

200316981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200316981 - 2¹ = 200316979 is a prime.

It is a super-2 number, since 2×200316981² = 80253785753908722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200316989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31210 + ... + 37076.

It is an arithmetic number, because the mean of its divisors is an integer number (17604000).

Almost surely, 2^200316981 is an apocalyptic number.

It is an amenable number.

200316981 is a deficient number, since it is larger than the sum of its proper divisors (81347019).

200316981 is a wasteful number, since it uses less digits than its factorization.

200316981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6488.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 200316981 is about 14153.3381574807. The cubic root of 200316981 is about 585.1123372548.

Adding to 200316981 its reverse (189613002), we get a palindrome (389929983).

The spelling of 200316981 in words is "two hundred million, three hundred sixteen thousand, nine hundred eighty-one".