213120300133 has 8 divisors (see below), whose sum is σ = 229581072728. Its totient is φ = 196669085184.

The previous prime is 213120300083. The next prime is 213120300139. The reversal of 213120300133 is 331003021312.

It can be written as a sum of positive squares in 4 ways, for example, as 34138844289 + 178981455844 = 184767^2 + 423062^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-213120300133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213120300133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213120300139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2343060 + ... + 2432317.

It is an arithmetic number, because the mean of its divisors is an integer number (28697634091).

Almost surely, 2^213120300133 is an apocalyptic number.

It is an amenable number.

213120300133 is a deficient number, since it is larger than the sum of its proper divisors (16460772595).

213120300133 is a wasteful number, since it uses less digits than its factorization.

213120300133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778823.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 213120300133 its reverse (331003021312), we get a palindrome (544123321445).

The spelling of 213120300133 in words is "two hundred thirteen billion, one hundred twenty million, three hundred thousand, one hundred thirty-three".