3081020904 has 48 divisors (see below), whose sum is σ = 8986313700. Its totient is φ = 948006144.

The previous prime is 3081020897. The next prime is 3081020933. The reversal of 3081020904 is 4090201803.

It can be written as a sum of positive squares in 2 ways, for example, as 3025220004 + 55800900 = 55002^2 + 7470^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1644909 + ... + 1646780.

Almost surely, 2^3081020904 is an apocalyptic number.

It is an amenable number.

3081020904 is an abundant number, since it is smaller than the sum of its proper divisors (5905292796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3081020904 is a wasteful number, since it uses less digits than its factorization.

3081020904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291714 (or 3291707 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3081020904 is about 55506.9446465935. The cubic root of 3081020904 is about 1455.1180065128.

The spelling of 3081020904 in words is "three billion, eighty-one million, twenty thousand, nine hundred four".