31430468 has 12 divisors (see below), whose sum is σ = 55437312. Its totient is φ = 15591240.

The previous prime is 31430453. The next prime is 31430473. The reversal of 31430468 is 86403413.

It is a self number, because there is not a number n which added to its sum of digits gives 31430468.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30428 + ... + 31443.

It is an arithmetic number, because the mean of its divisors is an integer number (4619776).

Almost surely, 2^31430468 is an apocalyptic number.

It is an amenable number.

31430468 is a deficient number, since it is larger than the sum of its proper divisors (24006844).

31430468 is a wasteful number, since it uses less digits than its factorization.

31430468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62002 (or 62000 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 31430468 is about 5606.2882551649. The cubic root of 31430468 is about 315.5854335005.

The spelling of 31430468 in words is "thirty-one million, four hundred thirty thousand, four hundred sixty-eight".