201242144403 has 6 divisors (see below), whose sum is σ = 290683097484. Its totient is φ = 134161429596.

The previous prime is 201242144399. The next prime is 201242144407. The reversal of 201242144403 is 304441242102.

201242144403 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 4 + 214 + 440 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (201242144399) and next prime (201242144407).

It is not a de Polignac number, because 201242144403 - 2² = 201242144399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201242144407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11180119125 + ... + 11180119142.

It is an arithmetic number, because the mean of its divisors is an integer number (48447182914).

Almost surely, 2^201242144403 is an apocalyptic number.

201242144403 is a deficient number, since it is larger than the sum of its proper divisors (89440953081).

201242144403 is a wasteful number, since it uses less digits than its factorization.

201242144403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22360238273 (or 22360238270 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 201242144403 its reverse (304441242102), we get a palindrome (505683386505).

The spelling of 201242144403 in words is "two hundred one billion, two hundred forty-two million, one hundred forty-four thousand, four hundred three".