2321140242 has 16 divisors (see below), whose sum is σ = 4645982880. Its totient is φ = 773096352.

The previous prime is 2321140207. The next prime is 2321140249. The reversal of 2321140242 is 2420411232.

It is not an unprimeable number, because it can be changed into a prime (2321140249) 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, 146083 + ... + 161190.

It is an arithmetic number, because the mean of its divisors is an integer number (290373930).

Almost surely, 2^2321140242 is an apocalyptic number.

2321140242 is an abundant number, since it is smaller than the sum of its proper divisors (2324842638).

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

2321140242 is a wasteful number, since it uses less digits than its factorization.

2321140242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308537.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2321140242 is about 48178.2133541708. The cubic root of 2321140242 is about 1324.0380328946.

Adding to 2321140242 its reverse (2420411232), we get a palindrome (4741551474).

The spelling of 2321140242 in words is "two billion, three hundred twenty-one million, one hundred forty thousand, two hundred forty-two".