211231234024 has 16 divisors (see below), whose sum is σ = 409715756100. Its totient is φ = 101973699072.

The previous prime is 211231234007. The next prime is 211231234033. The reversal of 211231234024 is 420432132112.

It can be written as a sum of positive squares in 2 ways, for example, as 188632125124 + 22599108900 = 434318^2 + 150330^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211231234024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455239497 + ... + 455239960.

Almost surely, 2^211231234024 is an apocalyptic number.

It is an amenable number.

211231234024 is a deficient number, since it is larger than the sum of its proper divisors (198484522076).

211231234024 is a wasteful number, since it uses less digits than its factorization.

211231234024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910479492 (or 910479488 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 211231234024 its reverse (420432132112), we get a palindrome (631663366136).

The spelling of 211231234024 in words is "two hundred eleven billion, two hundred thirty-one million, two hundred thirty-four thousand, twenty-four".