213430106 has 16 divisors (see below), whose sum is σ = 323908200. Its totient is φ = 105466368.

The previous prime is 213430103. The next prime is 213430141. The reversal of 213430106 is 601034312.

It can be written as a sum of positive squares in 4 ways, for example, as 195748081 + 17682025 = 13991^2 + 4205^2 .

It is not an unprimeable number, because it can be changed into a prime (213430103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91280 + ... + 93588.

Almost surely, 2^213430106 is an apocalyptic number.

213430106 is a deficient number, since it is larger than the sum of its proper divisors (110478094).

213430106 is a wasteful number, since it uses less digits than its factorization.

213430106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 213430106 is about 14609.2472769818. The cubic root of 213430106 is about 597.6109686928.

Adding to 213430106 its reverse (601034312), we get a palindrome (814464418).

The spelling of 213430106 in words is "two hundred thirteen million, four hundred thirty thousand, one hundred six".