213424140242 has 16 divisors (see below), whose sum is σ = 321216229152. Its totient is φ = 106352671200.

The previous prime is 213424140229. The next prime is 213424140271. The reversal of 213424140242 is 242041424312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554333 + ... + 856815.

It is an arithmetic number, because the mean of its divisors is an integer number (20076014322).

Almost surely, 2^213424140242 is an apocalyptic number.

213424140242 is a deficient number, since it is larger than the sum of its proper divisors (107792088910).

213424140242 is a wasteful number, since it uses less digits than its factorization.

213424140242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303673.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 213424140242 its reverse (242041424312), we get a palindrome (455465564554).

The spelling of 213424140242 in words is "two hundred thirteen billion, four hundred twenty-four million, one hundred forty thousand, two hundred forty-two".