213431400224 has 48 divisors (see below), whose sum is σ = 496779998400. Its totient is φ = 88316438784.

The previous prime is 213431400157. The next prime is 213431400227. The reversal of 213431400224 is 422004134312.

It is a junction number, because it is equal to n+sod(n) for n = 213431400193 and 213431400202.

It is not an unprimeable number, because it can be changed into a prime (213431400227) 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, 16421414 + ... + 16434405.

It is an arithmetic number, because the mean of its divisors is an integer number (10349583300).

Almost surely, 2^213431400224 is an apocalyptic number.

It is an amenable number.

213431400224 is an abundant number, since it is smaller than the sum of its proper divisors (283348598176).

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

213431400224 is a wasteful number, since it uses less digits than its factorization.

213431400224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32855865 (or 32855857 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 213431400224 its reverse (422004134312), we get a palindrome (635435534536).

The spelling of 213431400224 in words is "two hundred thirteen billion, four hundred thirty-one million, four hundred thousand, two hundred twenty-four".