3081620000 has 60 divisors (see below), whose sum is σ = 7581296646. Its totient is φ = 1232640000.

The previous prime is 3081619997. The next prime is 3081620033. The reversal of 3081620000 is 261803.

3081620000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 123565456 + 2958054544 = 11116^2 + 54388^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57041 + ... + 97040.

Almost surely, 2^3081620000 is an apocalyptic number.

It is an amenable number.

3081620000 is an abundant number, since it is smaller than the sum of its proper divisors (4499676646).

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

3081620000 is an equidigital number, since it uses as much as digits as its factorization.

3081620000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154111 (or 154088 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3081620000 is about 55512.3409702743. The cubic root of 3081620000 is about 1455.2123149587.

Adding to 3081620000 its reverse (261803), we get a palindrome (3081881803).

The spelling of 3081620000 in words is "three billion, eighty-one million, six hundred twenty thousand".