213030134532 has 36 divisors (see below), whose sum is σ = 557061561420. Its totient is φ = 68561422272.

The previous prime is 213030134521. The next prime is 213030134563. The reversal of 213030134532 is 235431030312.

213030134532 is a `hidden beast` number, since 2 + 13 + 0 + 301 + 345 + 3 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 97583763456 + 115446371076 = 312384^2 + 339774^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 213030134496 and 213030134505.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 102024883 + ... + 102026970.

Almost surely, 2^213030134532 is an apocalyptic number.

It is an amenable number.

213030134532 is an abundant number, since it is smaller than the sum of its proper divisors (344031426888).

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

213030134532 is a wasteful number, since it uses less digits than its factorization.

213030134532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204051892 (or 204051887 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 213030134532 its reverse (235431030312), we get a palindrome (448461164844).

The spelling of 213030134532 in words is "two hundred thirteen billion, thirty million, one hundred thirty-four thousand, five hundred thirty-two".