201342430 has 16 divisors (see below), whose sum is σ = 381491280. Its totient is φ = 76298112.

The previous prime is 201342353. The next prime is 201342433. The reversal of 201342430 is 34243102.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 201342398 and 201342407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201342433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529659 + ... + 530038.

It is an arithmetic number, because the mean of its divisors is an integer number (23843205).

Almost surely, 2^201342430 is an apocalyptic number.

201342430 is a deficient number, since it is larger than the sum of its proper divisors (180148850).

201342430 is a wasteful number, since it uses less digits than its factorization.

201342430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059723.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 201342430 is about 14189.5183145870. The cubic root of 201342430 is about 586.1090607623.

Adding to 201342430 its reverse (34243102), we get a palindrome (235585532).

The spelling of 201342430 in words is "two hundred one million, three hundred forty-two thousand, four hundred thirty".