201340334421 has 12 divisors (see below), whose sum is σ = 301596221472. Its totient is φ = 134226889452.

The previous prime is 201340334417. The next prime is 201340334443. The reversal of 201340334421 is 124433043102.

201340334421 is a `hidden beast` number, since 201 + 3 + 4 + 0 + 3 + 34 + 421 = 666.

201340334421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 201340334421 - 2² = 201340334417 is a prime.

It is a super-3 number, since 3×201340334421³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201340334621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414280281 + ... + 414280766.

It is an arithmetic number, because the mean of its divisors is an integer number (25133018456).

Almost surely, 2^201340334421 is an apocalyptic number.

It is an amenable number.

201340334421 is a deficient number, since it is larger than the sum of its proper divisors (100255887051).

201340334421 is an frugal number, since it uses more digits than its factorization.

201340334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828561062 (or 828561050 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 201340334421 its reverse (124433043102), we get a palindrome (325773377523).

The spelling of 201340334421 in words is "two hundred one billion, three hundred forty million, three hundred thirty-four thousand, four hundred twenty-one".