213224251241 has 4 divisors (see below), whose sum is σ = 214758238800. Its totient is φ = 211690263684.

The previous prime is 213224251217. The next prime is 213224251277. The reversal of 213224251241 is 142152422312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213224251241 - 2²⁶ = 213157142377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213224251211) 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, 766993571 + ... + 766993848.

It is an arithmetic number, because the mean of its divisors is an integer number (53689559700).

Almost surely, 2^213224251241 is an apocalyptic number.

It is an amenable number.

213224251241 is a deficient number, since it is larger than the sum of its proper divisors (1533987559).

213224251241 is a wasteful number, since it uses less digits than its factorization.

213224251241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533987558.

The product of its digits is 7680, while the sum is 29.

Adding to 213224251241 its reverse (142152422312), we get a palindrome (355376673553).

The spelling of 213224251241 in words is "two hundred thirteen billion, two hundred twenty-four million, two hundred fifty-one thousand, two hundred forty-one".