211532434 has 16 divisors (see below), whose sum is σ = 340303680. Its totient is φ = 98308080.

The previous prime is 211532429. The next prime is 211532443. The reversal of 211532434 is 434235112.

It is a junction number, because it is equal to n+sod(n) for n = 211532399 and 211532408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50502 + ... + 54529.

It is an arithmetic number, because the mean of its divisors is an integer number (21268980).

Almost surely, 2^211532434 is an apocalyptic number.

211532434 is a deficient number, since it is larger than the sum of its proper divisors (128771246).

211532434 is a wasteful number, since it uses less digits than its factorization.

211532434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105105.

The product of its digits is 2880, while the sum is 25.

The square root of 211532434 is about 14544.1546333914. The cubic root of 211532434 is about 595.8345129334.

Adding to 211532434 its reverse (434235112), we get a palindrome (645767546).

The spelling of 211532434 in words is "two hundred eleven million, five hundred thirty-two thousand, four hundred thirty-four".