211431242304 has 112 divisors (see below), whose sum is σ = 628553073600. Its totient is φ = 69685152768.

The previous prime is 211431242303. The next prime is 211431242311. The reversal of 211431242304 is 403242134112.

211431242304 is a `hidden beast` number, since 2 + 1 + 1 + 4 + 312 + 42 + 304 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (211431242303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533602 + ... + 841185.

Almost surely, 2^211431242304 is an apocalyptic number.

211431242304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

211431242304 is an abundant number, since it is smaller than the sum of its proper divisors (417121831296).

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

211431242304 is a wasteful number, since it uses less digits than its factorization.

211431242304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374897 (or 1374881 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 211431242304 its reverse (403242134112), we get a palindrome (614673376416).

The spelling of 211431242304 in words is "two hundred eleven billion, four hundred thirty-one million, two hundred forty-two thousand, three hundred four".