213323452201 has 4 divisors (see below), whose sum is σ = 214239003732. Its totient is φ = 212407900672.

The previous prime is 213323452163. The next prime is 213323452211. The reversal of 213323452201 is 102254323312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118966357225 + 94357094976 = 344915^2 + 307176^2 .

It is a cyclic number.

It is not a de Polignac number, because 213323452201 - 2⁹ = 213323451689 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 213323452201.

It is not an unprimeable number, because it can be changed into a prime (213323452211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457775416 + ... + 457775881.

It is an arithmetic number, because the mean of its divisors is an integer number (53559750933).

Almost surely, 2^213323452201 is an apocalyptic number.

It is an amenable number.

213323452201 is a deficient number, since it is larger than the sum of its proper divisors (915551531).

213323452201 is an equidigital number, since it uses as much as digits as its factorization.

213323452201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915551530.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 213323452201 its reverse (102254323312), we get a palindrome (315577775513).

The spelling of 213323452201 in words is "two hundred thirteen billion, three hundred twenty-three million, four hundred fifty-two thousand, two hundred one".