213403472430 has 64 divisors (see below), whose sum is σ = 518488128000. Its totient is φ = 56209665920.

The previous prime is 213403472377. The next prime is 213403472449. The reversal of 213403472430 is 34274304312.

It is a happy number.

213403472430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213403472391 and 213403472400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 666775 + ... + 933485.

It is an arithmetic number, because the mean of its divisors is an integer number (8101377000).

Almost surely, 2^213403472430 is an apocalyptic number.

213403472430 is an abundant number, since it is smaller than the sum of its proper divisors (305084655570).

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

213403472430 is a wasteful number, since it uses less digits than its factorization.

213403472430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267049.

The product of its (nonzero) digits is 48384, while the sum is 33.

Adding to 213403472430 its reverse (34274304312), we get a palindrome (247677776742).

The spelling of 213403472430 in words is "two hundred thirteen billion, four hundred three million, four hundred seventy-two thousand, four hundred thirty".