201013331 has 24 divisors (see below), whose sum is σ = 222829200. Its totient is φ = 180792000.

The previous prime is 201013291. The next prime is 201013349. The reversal of 201013331 is 133310102.

It is not a de Polignac number, because 201013331 - 2²⁶ = 133904467 is a prime.

It is a super-2 number, since 2×201013331² = 80812718479431122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201013231) 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 23 ways as a sum of consecutive naturals, for example, 1844105 + ... + 1844213.

It is an arithmetic number, because the mean of its divisors is an integer number (9284550).

Almost surely, 2^201013331 is an apocalyptic number.

201013331 is a deficient number, since it is larger than the sum of its proper divisors (21815869).

201013331 is a wasteful number, since it uses less digits than its factorization.

201013331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 260 counting only the distinct ones).

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

The square root of 201013331 is about 14177.9170190829. The cubic root of 201013331 is about 585.7895502074.

Adding to 201013331 its reverse (133310102), we get a palindrome (334323433).

It can be divided in two parts, 20101 and 3331, that added together give a palindrome (23432).

The spelling of 201013331 in words is "two hundred one million, thirteen thousand, three hundred thirty-one".