201324342321 has 8 divisors (see below), whose sum is σ = 298258284960. Its totient is φ = 134216228196.

The previous prime is 201324342311. The next prime is 201324342343. The reversal of 201324342321 is 123243423102.

201324342321 is a `hidden beast` number, since 201 + 3 + 2 + 434 + 2 + 3 + 21 = 666.

It is not a de Polignac number, because 201324342321 - 2²⁷ = 201190124593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7456457123 = 201324342321 / (2 + 0 + 1 + 3 + 2 + 4 + 3 + 4 + 2 + 3 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (201324342311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3728228535 + ... + 3728228588.

It is an arithmetic number, because the mean of its divisors is an integer number (37282285620).

Almost surely, 2^201324342321 is an apocalyptic number.

It is an amenable number.

201324342321 is a deficient number, since it is larger than the sum of its proper divisors (96933942639).

201324342321 is an equidigital number, since it uses as much as digits as its factorization.

201324342321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7456457132 (or 7456457126 counting only the distinct ones).

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

Adding to 201324342321 its reverse (123243423102), we get a palindrome (324567765423).

The spelling of 201324342321 in words is "two hundred one billion, three hundred twenty-four million, three hundred forty-two thousand, three hundred twenty-one".