31482645 has 16 divisors (see below), whose sum is σ = 50444160. Its totient is φ = 16766784.

The previous prime is 31482643. The next prime is 31482667. The reversal of 31482645 is 54628413.

It is not a de Polignac number, because 31482645 - 2¹ = 31482643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31482641) 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 15 ways as a sum of consecutive naturals, for example, 15816 + ... + 17694.

It is an arithmetic number, because the mean of its divisors is an integer number (3152760).

Almost surely, 2^31482645 is an apocalyptic number.

It is an amenable number.

31482645 is a deficient number, since it is larger than the sum of its proper divisors (18961515).

31482645 is a wasteful number, since it uses less digits than its factorization.

31482645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004.

The product of its digits is 23040, while the sum is 33.

The square root of 31482645 is about 5610.9397608600. The cubic root of 31482645 is about 315.7599690051.

The spelling of 31482645 in words is "thirty-one million, four hundred eighty-two thousand, six hundred forty-five".