213528116430 has 48 divisors (see below), whose sum is σ = 559225493424. Its totient is φ = 56525201280.

The previous prime is 213528116419. The next prime is 213528116441. The reversal of 213528116430 is 34611825312.

213528116430 is a `hidden beast` number, since 2 + 1 + 3 + 5 + 2 + 8 + 1 + 1 + 643 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (213528116419) and next prime (213528116441).

It is a super-2 number, since 2×213528116430² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8646556 + ... + 8671215.

It is an arithmetic number, because the mean of its divisors is an integer number (11650531113).

Almost surely, 2^213528116430 is an apocalyptic number.

213528116430 is an abundant number, since it is smaller than the sum of its proper divisors (345697376994).

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

213528116430 is a wasteful number, since it uses less digits than its factorization.

213528116430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17317921 (or 17317918 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 213528116430 in words is "two hundred thirteen billion, five hundred twenty-eight million, one hundred sixteen thousand, four hundred thirty".