213331525450 has 24 divisors (see below), whose sum is σ = 396809081388. Its totient is φ = 85329934080.

The previous prime is 213331525439. The next prime is 213331525487. The reversal of 213331525450 is 54525133312.

213331525450 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 6 ways, for example, as 160237688209 + 53093837241 = 400297^2 + 230421^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2580964 + ... + 2662336.

Almost surely, 2^213331525450 is an apocalyptic number.

213331525450 is a deficient number, since it is larger than the sum of its proper divisors (183477555938).

213331525450 is a wasteful number, since it uses less digits than its factorization.

213331525450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133818 (or 133813 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 213331525450 its reverse (54525133312), we get a palindrome (267856658762).

The spelling of 213331525450 in words is "two hundred thirteen billion, three hundred thirty-one million, five hundred twenty-five thousand, four hundred fifty".