31066485 has 16 divisors (see below), whose sum is σ = 50307264. Its totient is φ = 16368512.

The previous prime is 31066447. The next prime is 31066549. The reversal of 31066485 is 58466013.

It is a cyclic number.

It is not a de Polignac number, because 31066485 - 2⁸ = 31066229 is a prime.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 11232 + ... + 13721.

It is an arithmetic number, because the mean of its divisors is an integer number (3144204).

Almost surely, 2^31066485 is an apocalyptic number.

It is an amenable number.

31066485 is a deficient number, since it is larger than the sum of its proper divisors (19240779).

31066485 is a wasteful number, since it uses less digits than its factorization.

31066485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25044.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 31066485 is about 5573.7316942960. The cubic root of 31066485 is about 314.3624798216.

It can be divided in two parts, 3106 and 6485, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 31066485 in words is "thirty-one million, sixty-six thousand, four hundred eighty-five".