201342231402 has 16 divisors (see below), whose sum is σ = 433660190880. Its totient is φ = 61951455792.

The previous prime is 201342231401. The next prime is 201342231463. The reversal of 201342231402 is 204132243102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201342231401) 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, 1290655252 + ... + 1290655407.

It is an arithmetic number, because the mean of its divisors is an integer number (27103761930).

Almost surely, 2^201342231402 is an apocalyptic number.

201342231402 is an abundant number, since it is smaller than the sum of its proper divisors (232317959478).

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

201342231402 is a wasteful number, since it uses less digits than its factorization.

201342231402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581310677.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 201342231402 its reverse (204132243102), we get a palindrome (405474474504).

The spelling of 201342231402 in words is "two hundred one billion, three hundred forty-two million, two hundred thirty-one thousand, four hundred two".