31214204112321 has 12 divisors (see below), whose sum is σ = 45087926329680. Its totient is φ = 20809126664280.

The previous prime is 31214204112317. The next prime is 31214204112331. The reversal of 31214204112321 is 12321140241213.

31214204112321 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 420 + 4 + 1 + 1 + 232 + 1 = 666.

It is not a de Polignac number, because 31214204112321 - 2² = 31214204112317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31214204112331) 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, 27984595 + ... + 29078616.

It is an arithmetic number, because the mean of its divisors is an integer number (3757327194140).

Almost surely, 2^{31214204112321} is an apocalyptic number.

It is an amenable number.

31214204112321 is a deficient number, since it is larger than the sum of its proper divisors (13873722217359).

31214204112321 is a wasteful number, since it uses less digits than its factorization.

31214204112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57123996 (or 57123993 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 31214204112321 its reverse (12321140241213), we get a palindrome (43535344353534).

The spelling of 31214204112321 in words is "thirty-one trillion, two hundred fourteen billion, two hundred four million, one hundred twelve thousand, three hundred twenty-one".