31412233201221 has 12 divisors (see below), whose sum is σ = 45396153110880. Its totient is φ = 20930906935080.

The previous prime is 31412233201133. The next prime is 31412233201247. The reversal of 31412233201221 is 12210233221413.

31412233201221 is a `hidden beast` number, since 3 + 1 + 4 + 1 + 2 + 233 + 201 + 221 = 666.

It is not a de Polignac number, because 31412233201221 - 2⁹ = 31412233200709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31412233201021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 881803345 + ... + 881838966.

It is an arithmetic number, because the mean of its divisors is an integer number (3783012759240).

Almost surely, 2^{31412233201221} is an apocalyptic number.

It is an amenable number.

31412233201221 is a deficient number, since it is larger than the sum of its proper divisors (13983919909659).

31412233201221 is a wasteful number, since it uses less digits than its factorization.

31412233201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763644296 (or 1763644293 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 31412233201221 its reverse (12210233221413), we get a palindrome (43622466422634).

The spelling of 31412233201221 in words is "thirty-one trillion, four hundred twelve billion, two hundred thirty-three million, two hundred one thousand, two hundred twenty-one".