200401331 has 4 divisors (see below), whose sum is σ = 215816832. Its totient is φ = 184985832.

The previous prime is 200401309. The next prime is 200401343. The reversal of 200401331 is 133104002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133104002 = 2 ⋅66552001.

It is a cyclic number.

It is not a de Polignac number, because 200401331 - 2¹⁰ = 200400307 is a prime.

It is a super-2 number, since 2×200401331² = 80321386933143122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200401351) 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 3 ways as a sum of consecutive naturals, for example, 7707731 + ... + 7707756.

It is an arithmetic number, because the mean of its divisors is an integer number (53954208).

Almost surely, 2^200401331 is an apocalyptic number.

200401331 is a deficient number, since it is larger than the sum of its proper divisors (15415501).

200401331 is a wasteful number, since it uses less digits than its factorization.

200401331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15415500.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 200401331 is about 14156.3177062399. The cubic root of 200401331 is about 585.1944526095.

Adding to 200401331 its reverse (133104002), we get a palindrome (333505333).

The spelling of 200401331 in words is "two hundred million, four hundred one thousand, three hundred thirty-one".