213142330 has 8 divisors (see below), whose sum is σ = 383656212. Its totient is φ = 85256928.

The previous prime is 213142297. The next prime is 213142339. The reversal of 213142330 is 33241312.

213142330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 171164889 + 41977441 = 13083^2 + 6479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 213142298 and 213142307.

It is not an unprimeable number, because it can be changed into a prime (213142339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10657107 + ... + 10657126.

Almost surely, 2^213142330 is an apocalyptic number.

213142330 is a deficient number, since it is larger than the sum of its proper divisors (170513882).

213142330 is a wasteful number, since it uses less digits than its factorization.

213142330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21314240.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 213142330 is about 14599.3948504724. The cubic root of 213142330 is about 597.3422539518.

Adding to 213142330 its reverse (33241312), we get a palindrome (246383642).

The spelling of 213142330 in words is "two hundred thirteen million, one hundred forty-two thousand, three hundred thirty".