31222231214 has 8 divisors (see below), whose sum is σ = 46838319120. Its totient is φ = 15609458176.

The previous prime is 31222231207. The next prime is 31222231247. The reversal of 31222231214 is 41213222213.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31222231214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805034 + ... + 842925.

It is an arithmetic number, because the mean of its divisors is an integer number (5854789890).

Almost surely, 2^31222231214 is an apocalyptic number.

31222231214 is a deficient number, since it is larger than the sum of its proper divisors (15616087906).

31222231214 is a wasteful number, since it uses less digits than its factorization.

31222231214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657434.

The product of its digits is 1152, while the sum is 23.

Adding to 31222231214 its reverse (41213222213), we get a palindrome (72435453427).

Subtracting 31222231214 from its reverse (41213222213), we obtain a palindrome (9990990999).

The spelling of 31222231214 in words is "thirty-one billion, two hundred twenty-two million, two hundred thirty-one thousand, two hundred fourteen".