201033131 has 4 divisors (see below), whose sum is σ = 216497232. Its totient is φ = 185569032.

The previous prime is 201033121. The next prime is 201033139. The reversal of 201033131 is 131330102.

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 201033131 - 2⁶ = 201033067 is a prime.

It is a super-2 number, since 2×201033131² = 80828639519326322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201033139) 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, 7732031 + ... + 7732056.

It is an arithmetic number, because the mean of its divisors is an integer number (54124308).

Almost surely, 2^201033131 is an apocalyptic number.

201033131 is a deficient number, since it is larger than the sum of its proper divisors (15464101).

201033131 is a wasteful number, since it uses less digits than its factorization.

201033131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15464100.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 201033131 is about 14178.6152708930. The cubic root of 201033131 is about 585.8087831810.

Adding to 201033131 its reverse (131330102), we get a palindrome (332363233).

The spelling of 201033131 in words is "two hundred one million, thirty-three thousand, one hundred thirty-one".