31064545 has 8 divisors (see below), whose sum is σ = 37309824. Its totient is φ = 24830064.

The previous prime is 31064543. The next prime is 31064549. The reversal of 31064545 is 54546013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31064545 - 2¹ = 31064543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31064543) 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 7 ways as a sum of consecutive naturals, for example, 6472 + ... + 10198.

It is an arithmetic number, because the mean of its divisors is an integer number (4663728).

Almost surely, 2^31064545 is an apocalyptic number.

It is an amenable number.

31064545 is a deficient number, since it is larger than the sum of its proper divisors (6245279).

31064545 is a wasteful number, since it uses less digits than its factorization.

31064545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5399.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 31064545 is about 5573.5576609559. The cubic root of 31064545 is about 314.3559360504.

The spelling of 31064545 in words is "thirty-one million, sixty-four thousand, five hundred forty-five".