201340320234 has 16 divisors (see below), whose sum is σ = 403992307488. Its totient is φ = 66894828912.

The previous prime is 201340320229. The next prime is 201340320239. The reversal of 201340320234 is 432023043102.

It is an interprime number because it is at equal distance from previous prime (201340320229) and next prime (201340320239).

It is not an unprimeable number, because it can be changed into a prime (201340320239) 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, 54650797 + ... + 54654480.

It is an arithmetic number, because the mean of its divisors is an integer number (25249519218).

Almost surely, 2^201340320234 is an apocalyptic number.

201340320234 is an abundant number, since it is smaller than the sum of its proper divisors (202651987254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201340320234 is a wasteful number, since it uses less digits than its factorization.

201340320234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109305589.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 201340320234 its reverse (432023043102), we get a palindrome (633363363336).

The spelling of 201340320234 in words is "two hundred one billion, three hundred forty million, three hundred twenty thousand, two hundred thirty-four".