213030030132 has 60 divisors (see below), whose sum is σ = 576106141380. Its totient is φ = 68561385984.

The previous prime is 213030030107. The next prime is 213030030133. The reversal of 213030030132 is 231030030312.

213030030132 is a `hidden beast` number, since 2 + 1 + 30 + 300 + 301 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 178670217636 + 34359812496 = 422694^2 + 185364^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213030030133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11326813 + ... + 11345604.

It is an arithmetic number, because the mean of its divisors is an integer number (9601769023).

Almost surely, 2^213030030132 is an apocalyptic number.

It is an amenable number.

213030030132 is an abundant number, since it is smaller than the sum of its proper divisors (363076111248).

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

213030030132 is a wasteful number, since it uses less digits than its factorization.

213030030132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22672462 (or 22672451 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 213030030132 its reverse (231030030312), we get a palindrome (444060060444).

The spelling of 213030030132 in words is "two hundred thirteen billion, thirty million, thirty thousand, one hundred thirty-two".