31214474 has 16 divisors (see below), whose sum is σ = 48498912. Its totient is φ = 15057168.

The previous prime is 31214461. The next prime is 31214483. The reversal of 31214474 is 47441213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4952 + ... + 9324.

It is an arithmetic number, because the mean of its divisors is an integer number (3031182).

Almost surely, 2^31214474 is an apocalyptic number.

31214474 is a deficient number, since it is larger than the sum of its proper divisors (17284438).

31214474 is a wasteful number, since it uses less digits than its factorization.

31214474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501.

The product of its digits is 2688, while the sum is 26.

The square root of 31214474 is about 5586.9914981142. The cubic root of 31214474 is about 314.8608573338.

Adding to 31214474 its reverse (47441213), we get a palindrome (78655687).

The spelling of 31214474 in words is "thirty-one million, two hundred fourteen thousand, four hundred seventy-four".