213424742 has 4 divisors (see below), whose sum is σ = 320137116. Its totient is φ = 106712370.

The previous prime is 213424711. The next prime is 213424753. The reversal of 213424742 is 247424312.

213424742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53356184 + ... + 53356187.

It is an arithmetic number, because the mean of its divisors is an integer number (80034279).

Almost surely, 2^213424742 is an apocalyptic number.

213424742 is a deficient number, since it is larger than the sum of its proper divisors (106712374).

213424742 is a wasteful number, since it uses less digits than its factorization.

213424742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106712373.

The product of its digits is 10752, while the sum is 29.

The square root of 213424742 is about 14609.0636934747. The cubic root of 213424742 is about 597.6059621950.

The spelling of 213424742 in words is "two hundred thirteen million, four hundred twenty-four thousand, seven hundred forty-two".