3116081000 has 64 divisors (see below), whose sum is σ = 7461305280. Its totient is φ = 1217428800.

The previous prime is 3116080973. The next prime is 3116081039. The reversal of 3116081000 is 1806113.

It is a super-2 number, since 2×3116081000² = 19419921597122000000, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 6767 + ... + 79233.

It is an arithmetic number, because the mean of its divisors is an integer number (116582895).

Almost surely, 2^3116081000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3116081000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3730652640).

3116081000 is an abundant number, since it is smaller than the sum of its proper divisors (4345224280).

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

3116081000 is a wasteful number, since it uses less digits than its factorization.

3116081000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72531 (or 72517 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 3116081000 is about 55821.8684746399. The cubic root of 3116081000 is about 1460.6166470030.

Adding to 3116081000 its reverse (1806113), we get a palindrome (3117887113).

The spelling of 3116081000 in words is "three billion, one hundred sixteen million, eighty-one thousand".