31144414 has 16 divisors (see below), whose sum is σ = 54188928. Its totient is φ = 13147992.

The previous prime is 31144397. The next prime is 31144423. The reversal of 31144414 is 41444113.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15664 + ... + 17539.

It is an arithmetic number, because the mean of its divisors is an integer number (3386808).

Almost surely, 2^31144414 is an apocalyptic number.

31144414 is a deficient number, since it is larger than the sum of its proper divisors (23044514).

31144414 is a wasteful number, since it uses less digits than its factorization.

31144414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33279.

The product of its digits is 768, while the sum is 22.

The square root of 31144414 is about 5580.7180541575. The cubic root of 31144414 is about 314.6251154577.

Adding to 31144414 its reverse (41444113), we get a palindrome (72588527).

The spelling of 31144414 in words is "thirty-one million, one hundred forty-four thousand, four hundred fourteen".