31224421310214 has 64 divisors (see below), whose sum is σ = 69097007605248. Its totient is φ = 9327129369600.

The previous prime is 31224421310209. The next prime is 31224421310227. The reversal of 31224421310214 is 41201312442213.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27813942 + ... + 28914774.

It is an arithmetic number, because the mean of its divisors is an integer number (1079640743832).

Almost surely, 2^{31224421310214} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31224421310214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34548503802624).

31224421310214 is an abundant number, since it is smaller than the sum of its proper divisors (37872586295034).

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

31224421310214 is a wasteful number, since it uses less digits than its factorization.

31224421310214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106973.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 31224421310214 its reverse (41201312442213), we get a palindrome (72425733752427).

The spelling of 31224421310214 in words is "thirty-one trillion, two hundred twenty-four billion, four hundred twenty-one million, three hundred ten thousand, two hundred fourteen".