213142430 has 32 divisors (see below), whose sum is σ = 407306880. Its totient is φ = 80028160.

The previous prime is 213142429. The next prime is 213142463. The reversal of 213142430 is 34241312.

213142430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71816 + ... + 74724.

It is an arithmetic number, because the mean of its divisors is an integer number (12728340).

Almost surely, 2^213142430 is an apocalyptic number.

213142430 is a deficient number, since it is larger than the sum of its proper divisors (194164450).

213142430 is a wasteful number, since it uses less digits than its factorization.

213142430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364.

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

The square root of 213142430 is about 14599.3982752715. The cubic root of 213142430 is about 597.3423473702.

Adding to 213142430 its reverse (34241312), we get a palindrome (247383742).

The spelling of 213142430 in words is "two hundred thirteen million, one hundred forty-two thousand, four hundred thirty".