201132403 has 4 divisors (see below), whose sum is σ = 204927408. Its totient is φ = 197337400.

The previous prime is 201132367. The next prime is 201132409. The reversal of 201132403 is 304231102.

It is a happy number.

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 201132403 - 2²¹ = 199035251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201132409) 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, 1897423 + ... + 1897528.

It is an arithmetic number, because the mean of its divisors is an integer number (51231852).

Almost surely, 2^201132403 is an apocalyptic number.

201132403 is a deficient number, since it is larger than the sum of its proper divisors (3795005).

201132403 is an equidigital number, since it uses as much as digits as its factorization.

201132403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3795004.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 201132403 is about 14182.1156038160. The cubic root of 201132403 is about 585.9051932263.

Adding to 201132403 its reverse (304231102), we get a palindrome (505363505).

The spelling of 201132403 in words is "two hundred one million, one hundred thirty-two thousand, four hundred three".