31483439 has 16 divisors (see below), whose sum is σ = 36745632. Its totient is φ = 26707968.

The previous prime is 31483433. The next prime is 31483447. The reversal of 31483439 is 93438413.

It is a cyclic number.

It is not a de Polignac number, because 31483439 - 2²⁰ = 30434863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31483399 and 31483408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31483433) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7847 + ... + 11159.

It is an arithmetic number, because the mean of its divisors is an integer number (2296602).

Almost surely, 2^31483439 is an apocalyptic number.

31483439 is a deficient number, since it is larger than the sum of its proper divisors (5262193).

31483439 is a wasteful number, since it uses less digits than its factorization.

31483439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386.

The product of its digits is 31104, while the sum is 35.

The square root of 31483439 is about 5611.0105150499. The cubic root of 31483439 is about 315.7626234973.

The spelling of 31483439 in words is "thirty-one million, four hundred eighty-three thousand, four hundred thirty-nine".