31412301311221 has 8 divisors (see below), whose sum is σ = 31459569851520. Its totient is φ = 31365042715872.

The previous prime is 31412301311161. The next prime is 31412301311227. The reversal of 31412301311221 is 12211310321413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31412301311221 - 2⁷ = 31412301311093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31412301311227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3847881 + ... + 8810833.

It is an arithmetic number, because the mean of its divisors is an integer number (3932446231440).

Almost surely, 2^{31412301311221} is an apocalyptic number.

It is an amenable number.

31412301311221 is a deficient number, since it is larger than the sum of its proper divisors (47268540299).

31412301311221 is an equidigital number, since it uses as much as digits as its factorization.

31412301311221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972475.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 31412301311221 its reverse (12211310321413), we get a palindrome (43623611632634).

The spelling of 31412301311221 in words is "thirty-one trillion, four hundred twelve billion, three hundred one million, three hundred eleven thousand, two hundred twenty-one".