211430030004 has 168 divisors, whose sum is σ = 585546332000. Its totient is φ = 66584597184.

The previous prime is 211430029949. The next prime is 211430030011. The reversal of 211430030004 is 400030034112.

211430030004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 20993082 + ... + 21003150.

Almost surely, 2^211430030004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211430030004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292773166000).

211430030004 is an abundant number, since it is smaller than the sum of its proper divisors (374116301996).

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

211430030004 is a wasteful number, since it uses less digits than its factorization.

211430030004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10489 (or 10472 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 211430030004 its reverse (400030034112), we get a palindrome (611460064116).

The spelling of 211430030004 in words is "two hundred eleven billion, four hundred thirty million, thirty thousand, four".