3111122130 has 64 divisors (see below), whose sum is σ = 7881287040. Its totient is φ = 783806976.

The previous prime is 3111122093. The next prime is 3111122173. The reversal of 3111122130 is 312211113.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205294 + ... + 219926.

It is an arithmetic number, because the mean of its divisors is an integer number (123145110).

Almost surely, 2^3111122130 is an apocalyptic number.

3111122130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3111122130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3940643520).

3111122130 is an abundant number, since it is smaller than the sum of its proper divisors (4770164910).

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

3111122130 is a wasteful number, since it uses less digits than its factorization.

3111122130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15035.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 3111122130 is about 55777.4338778686. The cubic root of 3111122130 is about 1459.8414367737.

Adding to 3111122130 its reverse (312211113), we get a palindrome (3423333243).

The spelling of 3111122130 in words is "three billion, one hundred eleven million, one hundred twenty-two thousand, one hundred thirty".