403231324221 has 12 divisors (see below), whose sum is σ = 635394814080. Its totient is φ = 244382620680.

The previous prime is 403231324211. The next prime is 403231324231. The reversal of 403231324221 is 122423132304.

403231324221 is a `hidden beast` number, since 4 + 0 + 3 + 231 + 3 + 2 + 422 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (403231324211) and next prime (403231324231).

It is not a de Polignac number, because 403231324221 - 2¹³ = 403231316029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403231324211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2036521741 + ... + 2036521938.

It is an arithmetic number, because the mean of its divisors is an integer number (52949567840).

Almost surely, 2^403231324221 is an apocalyptic number.

It is an amenable number.

403231324221 is a deficient number, since it is larger than the sum of its proper divisors (232163489859).

403231324221 is a wasteful number, since it uses less digits than its factorization.

403231324221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073043696 (or 4073043693 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 403231324221 its reverse (122423132304), we get a palindrome (525654456525).

The spelling of 403231324221 in words is "four hundred three billion, two hundred thirty-one million, three hundred twenty-four thousand, two hundred twenty-one".