213241142 has 32 divisors (see below), whose sum is σ = 353030400. Its totient is φ = 96151968.

The previous prime is 213241141. The next prime is 213241159. The reversal of 213241142 is 241142312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213241141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234653 + ... + 235559.

It is an arithmetic number, because the mean of its divisors is an integer number (11032200).

Almost surely, 2^213241142 is an apocalyptic number.

213241142 is a deficient number, since it is larger than the sum of its proper divisors (139789258).

213241142 is a wasteful number, since it uses less digits than its factorization.

213241142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220.

The product of its digits is 384, while the sum is 20.

The square root of 213241142 is about 14602.7785712172. The cubic root of 213241142 is about 597.4345482479.

Adding to 213241142 its reverse (241142312), we get a palindrome (454383454).

The spelling of 213241142 in words is "two hundred thirteen million, two hundred forty-one thousand, one hundred forty-two".