324232131213221 has 64 divisors (see below), whose sum is σ = 414441033076224. Its totient is φ = 246352405017600.

The previous prime is 324232131213217. The next prime is 324232131213227. The reversal of 324232131213221 is 122312131232423.

It is not a de Polignac number, because 324232131213221 - 2² = 324232131213217 is a prime.

It is a super-2 number, since 2×324232131213221² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324232131213227) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 255678095 + ... + 256943091.

It is an arithmetic number, because the mean of its divisors is an integer number (6475641141816).

Almost surely, 2^{324232131213221} is an apocalyptic number.

It is an amenable number.

324232131213221 is a deficient number, since it is larger than the sum of its proper divisors (90208901863003).

324232131213221 is a wasteful number, since it uses less digits than its factorization.

324232131213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265550.

The product of its digits is 20736, while the sum is 32.

Adding to 324232131213221 its reverse (122312131232423), we get a palindrome (446544262445644).

The spelling of 324232131213221 in words is "three hundred twenty-four trillion, two hundred thirty-two billion, one hundred thirty-one million, two hundred thirteen thousand, two hundred twenty-one".