211470432930 has 48 divisors (see below), whose sum is σ = 549845916984. Its totient is φ = 56389777920.

The previous prime is 211470432923. The next prime is 211470432931. The reversal of 211470432930 is 39234074112.

It is a happy number.

211470432930 is a `hidden beast` number, since 211 + 4 + 7 + 0 + 432 + 9 + 3 + 0 = 666.

211470432930 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 160787366289 + 50683066641 = 400983^2 + 225129^2 .

It is a super-3 number, since 3×211470432930³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (211470432931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3934840 + ... + 3988220.

Almost surely, 2^211470432930 is an apocalyptic number.

211470432930 is an abundant number, since it is smaller than the sum of its proper divisors (338375484054).

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

211470432930 is a wasteful number, since it uses less digits than its factorization.

211470432930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97411 (or 97408 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 211470432930 in words is "two hundred eleven billion, four hundred seventy million, four hundred thirty-two thousand, nine hundred thirty".