201011413 has 4 divisors (see below), whose sum is σ = 203765068. Its totient is φ = 198257760.

The previous prime is 201011381. The next prime is 201011443. The reversal of 201011413 is 314110102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80407089 + 120604324 = 8967^2 + 10982^2 .

It is a cyclic number.

It is not a de Polignac number, because 201011413 - 2⁵ = 201011381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201011393 and 201011402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011443) 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, 1376718 + ... + 1376863.

It is an arithmetic number, because the mean of its divisors is an integer number (50941267).

Almost surely, 2^201011413 is an apocalyptic number.

It is an amenable number.

201011413 is a deficient number, since it is larger than the sum of its proper divisors (2753655).

201011413 is an equidigital number, since it uses as much as digits as its factorization.

201011413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753654.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 201011413 is about 14177.8493785200. The cubic root of 201011413 is about 585.7876870674.

Adding to 201011413 its reverse (314110102), we get a palindrome (515121515).

The spelling of 201011413 in words is "two hundred one million, eleven thousand, four hundred thirteen".