213201021330133 has 8 divisors (see below), whose sum is σ = 215609701276440. Its totient is φ = 210792633891840.

The previous prime is 213201021330113. The next prime is 213201021330137. The reversal of 213201021330133 is 331033120102312.

It can be written as a sum of positive squares in 4 ways, for example, as 4536120453489 + 208664900876644 = 2129817^2 + 14445238^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213201021330133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213201021330098 and 213201021330107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213201021330137) 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, 71660860 + ... + 74576677.

It is an arithmetic number, because the mean of its divisors is an integer number (26951212659555).

Almost surely, 2^{213201021330133} is an apocalyptic number.

It is an amenable number.

213201021330133 is a deficient number, since it is larger than the sum of its proper divisors (2408679946307).

213201021330133 is a wasteful number, since it uses less digits than its factorization.

213201021330133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146254007.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 213201021330133 its reverse (331033120102312), we get a palindrome (544234141432445).

The spelling of 213201021330133 in words is "two hundred thirteen trillion, two hundred one billion, twenty-one million, three hundred thirty thousand, one hundred thirty-three".