31234312412222 has 8 divisors (see below), whose sum is σ = 47149885616376. Its totient is φ = 15517683873432.

The previous prime is 31234312412213. The next prime is 31234312412227. The reversal of 31234312412222 is 22221421343213.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31234312412227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49736165948 + ... + 49736166575.

It is an arithmetic number, because the mean of its divisors is an integer number (5893735702047).

Almost surely, 2^{31234312412222} is an apocalyptic number.

31234312412222 is a deficient number, since it is larger than the sum of its proper divisors (15915573204154).

31234312412222 is a wasteful number, since it uses less digits than its factorization.

31234312412222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99472332682.

The product of its digits is 27648, while the sum is 32.

Adding to 31234312412222 its reverse (22221421343213), we get a palindrome (53455733755435).

The spelling of 31234312412222 in words is "thirty-one trillion, two hundred thirty-four billion, three hundred twelve million, four hundred twelve thousand, two hundred twenty-two".