31444214 has 8 divisors (see below), whose sum is σ = 47430360. Its totient is φ = 15634096.

The previous prime is 31444213. The next prime is 31444241. The reversal of 31444214 is 41244413.

It is a happy number.

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 31444214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31444213) 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, 43559 + ... + 44274.

It is an arithmetic number, because the mean of its divisors is an integer number (5928795).

Almost surely, 2^31444214 is an apocalyptic number.

31444214 is a deficient number, since it is larger than the sum of its proper divisors (15986146).

31444214 is a wasteful number, since it uses less digits than its factorization.

31444214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88014.

The product of its digits is 1536, while the sum is 23.

The square root of 31444214 is about 5607.5140659654. The cubic root of 31444214 is about 315.6314335061.

Adding to 31444214 its reverse (41244413), we get a palindrome (72688627).

The spelling of 31444214 in words is "thirty-one million, four hundred forty-four thousand, two hundred fourteen".