213242312 has 32 divisors (see below), whose sum is σ = 411264000. Its totient is φ = 103593600.

The previous prime is 213242291. The next prime is 213242329.

213242312 is nontrivially palindromic in base 10.

213242312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 87689 + ... + 90087.

It is an arithmetic number, because the mean of its divisors is an integer number (12852000).

Almost surely, 2^213242312 is an apocalyptic number.

It is an amenable number.

213242312 is a deficient number, since it is larger than the sum of its proper divisors (198021688).

213242312 is a wasteful number, since it uses less digits than its factorization.

213242312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717 (or 2713 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 213242312 is about 14602.8186320313. The cubic root of 213242312 is about 597.4356409032.

It can be divided in two parts, 2132 and 42312, that added together give a palindrome (44444).

The spelling of 213242312 in words is "two hundred thirteen million, two hundred forty-two thousand, three hundred twelve".