1531106056 has 32 divisors (see below), whose sum is σ = 2896788600. Its totient is φ = 758661120.

The previous prime is 1531106047. The next prime is 1531106081. The reversal of 1531106056 is 6506011351.

It can be written as a sum of positive squares in 4 ways, for example, as 932325156 + 598780900 = 30534^2 + 24470^2 .

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 7 ways as a sum of consecutive naturals, for example, 432100 + ... + 435628.

Almost surely, 2^1531106056 is an apocalyptic number.

It is an amenable number.

1531106056 is a deficient number, since it is larger than the sum of its proper divisors (1365682544).

1531106056 is a wasteful number, since it uses less digits than its factorization.

1531106056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009 (or 4005 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 1531106056 is about 39129.3503140545. The cubic root of 1531106056 is about 1152.5729551677.

The spelling of 1531106056 in words is "one billion, five hundred thirty-one million, one hundred six thousand, fifty-six".