213331510452 has 48 divisors (see below), whose sum is σ = 513582955200. Its totient is φ = 68876970240.

The previous prime is 213331510451. The next prime is 213331510481. The reversal of 213331510452 is 254015133312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213331510451) 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 15 ways as a sum of consecutive naturals, for example, 1491327 + ... + 1628102.

It is an arithmetic number, because the mean of its divisors is an integer number (10699644900).

Almost surely, 2^213331510452 is an apocalyptic number.

It is an amenable number.

213331510452 is an abundant number, since it is smaller than the sum of its proper divisors (300251444748).

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

213331510452 is a wasteful number, since it uses less digits than its factorization.

213331510452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119616 (or 3119614 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 213331510452 its reverse (254015133312), we get a palindrome (467346643764).

The spelling of 213331510452 in words is "two hundred thirteen billion, three hundred thirty-one million, five hundred ten thousand, four hundred fifty-two".