211404303234 has 48 divisors (see below), whose sum is σ = 464103712800. Its totient is φ = 69537619008.

The previous prime is 211404303203. The next prime is 211404303241. The reversal of 211404303234 is 432303404112.

211404303234 is a `hidden beast` number, since 21 + 1 + 404 + 3 + 0 + 3 + 234 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 211404303198 and 211404303207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1200982 + ... + 1365710.

It is an arithmetic number, because the mean of its divisors is an integer number (9668827350).

Almost surely, 2^211404303234 is an apocalyptic number.

211404303234 is an abundant number, since it is smaller than the sum of its proper divisors (252699409566).

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

211404303234 is a wasteful number, since it uses less digits than its factorization.

211404303234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165679 (or 165676 counting only the distinct ones).

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

Adding to 211404303234 its reverse (432303404112), we get a palindrome (643707707346).

The spelling of 211404303234 in words is "two hundred eleven billion, four hundred four million, three hundred three thousand, two hundred thirty-four".