31223132214 has 16 divisors (see below), whose sum is σ = 63774908928. Its totient is φ = 10186269992.

The previous prime is 31223132207. The next prime is 31223132267. The reversal of 31223132214 is 41223132213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55359882 + ... + 55360445.

It is an arithmetic number, because the mean of its divisors is an integer number (3985931808).

Almost surely, 2^31223132214 is an apocalyptic number.

31223132214 is an abundant number, since it is smaller than the sum of its proper divisors (32551776714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31223132214 is a wasteful number, since it uses less digits than its factorization.

31223132214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110720379.

The product of its digits is 1728, while the sum is 24.

Adding to 31223132214 its reverse (41223132213), we get a palindrome (72446264427).

Subtracting 31223132214 from its reverse (41223132213), we obtain a palindrome (9999999999).

The spelling of 31223132214 in words is "thirty-one billion, two hundred twenty-three million, one hundred thirty-two thousand, two hundred fourteen".