3102828561 has 24 divisors (see below), whose sum is σ = 5128720064. Its totient is φ = 1770763680.

The previous prime is 3102828539. The next prime is 3102828587. The reversal of 3102828561 is 1658282013.

It is a happy number.

3102828561 is a `hidden beast` number, since 3 + 10 + 2 + 82 + 8 + 561 = 666.

It is not a de Polignac number, because 3102828561 - 2¹¹ = 3102826513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3102828461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18291 + ... + 80871.

Almost surely, 2^3102828561 is an apocalyptic number.

It is an amenable number.

3102828561 is a deficient number, since it is larger than the sum of its proper divisors (2025891503).

3102828561 is a wasteful number, since it uses less digits than its factorization.

3102828561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63381 (or 63378 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 3102828561 is about 55703.0390643096. The cubic root of 3102828561 is about 1458.5430767175.

The spelling of 3102828561 in words is "three billion, one hundred two million, eight hundred twenty-eight thousand, five hundred sixty-one".