31430674 has 16 divisors (see below), whose sum is σ = 54139680. Its totient is φ = 13534560.

The previous prime is 31430669. The next prime is 31430681. The reversal of 31430674 is 47603413.

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, 37179 + ... + 38014.

It is an arithmetic number, because the mean of its divisors is an integer number (3383730).

Almost surely, 2^31430674 is an apocalyptic number.

31430674 is a deficient number, since it is larger than the sum of its proper divisors (22709006).

31430674 is a wasteful number, since it uses less digits than its factorization.

31430674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75225.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 31430674 is about 5606.3066273617. The cubic root of 31430674 is about 315.5861229637.

The spelling of 31430674 in words is "thirty-one million, four hundred thirty thousand, six hundred seventy-four".