31483089 has 24 divisors (see below), whose sum is σ = 49787712. Its totient is φ = 19012320.

The previous prime is 31483087. The next prime is 31483093. The reversal of 31483089 is 98038413.

It is not a de Polignac number, because 31483089 - 2¹ = 31483087 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31483087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47887 + ... + 48539.

It is an arithmetic number, because the mean of its divisors is an integer number (2074488).

Almost surely, 2^31483089 is an apocalyptic number.

It is an amenable number.

31483089 is a deficient number, since it is larger than the sum of its proper divisors (18304623).

31483089 is a wasteful number, since it uses less digits than its factorization.

31483089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 31483089 is about 5610.9793262852. The cubic root of 31483089 is about 315.7614533866.

The spelling of 31483089 in words is "thirty-one million, four hundred eighty-three thousand, eighty-nine".