3081138064 has 15 divisors (see below), whose sum is σ = 5970135217. Its totient is φ = 1540458016.

The previous prime is 3081138043. The next prime is 3081138077. The reversal of 3081138064 is 4608311803.

The square root of 3081138064 is 55508.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 230432400 + 2850705664 = 15180^2 + 53392^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 215094 + ... + 228970.

Almost surely, 2^3081138064 is an apocalyptic number.

3081138064 is the 55508-th square number.

It is an amenable number.

3081138064 is a deficient number, since it is larger than the sum of its proper divisors (2888997153).

3081138064 is an frugal number, since it uses more digits than its factorization.

3081138064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27762 (or 13879 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The cubic root of 3081138064 is about 1455.1364505578.

Adding to 3081138064 its reverse (4608311803), we get a palindrome (7689449867).

The spelling of 3081138064 in words is "three billion, eighty-one million, one hundred thirty-eight thousand, sixty-four".