213434012430 has 24 divisors (see below), whose sum is σ = 554928432552. Its totient is φ = 56915736624.

The previous prime is 213434012423. The next prime is 213434012443. The reversal of 213434012430 is 34210434312.

213434012430 is a `hidden beast` number, since 2 + 13 + 4 + 3 + 401 + 243 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 213434012394 and 213434012403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1185744424 + ... + 1185744603.

It is an arithmetic number, because the mean of its divisors is an integer number (23122018023).

Almost surely, 2^213434012430 is an apocalyptic number.

213434012430 is an abundant number, since it is smaller than the sum of its proper divisors (341494420122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213434012430 is a wasteful number, since it uses less digits than its factorization.

213434012430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371489040 (or 2371489037 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 213434012430 its reverse (34210434312), we get a palindrome (247644446742).

The spelling of 213434012430 in words is "two hundred thirteen billion, four hundred thirty-four million, twelve thousand, four hundred thirty".