201420343141 has 4 divisors (see below), whose sum is σ = 201533693452. Its totient is φ = 201306992832.

The previous prime is 201420343127. The next prime is 201420343207. The reversal of 201420343141 is 141343024102.

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 50825898916 + 150594444225 = 225446^2 + 388065^2 .

It is a cyclic number.

It is not a de Polignac number, because 201420343141 - 2³¹ = 199272859493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201420343841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56672490 + ... + 56676043.

It is an arithmetic number, because the mean of its divisors is an integer number (50383423363).

Almost surely, 2^201420343141 is an apocalyptic number.

It is an amenable number.

201420343141 is a deficient number, since it is larger than the sum of its proper divisors (113350311).

201420343141 is a wasteful number, since it uses less digits than its factorization.

201420343141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113350310.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 201420343141 its reverse (141343024102), we get a palindrome (342763367243).

The spelling of 201420343141 in words is "two hundred one billion, four hundred twenty million, three hundred forty-three thousand, one hundred forty-one".