3113120142 has 128 divisors (see below), whose sum is σ = 7736601600. Its totient is φ = 931487040.

The previous prime is 3113120123. The next prime is 3113120209. The reversal of 3113120142 is 2410213113.

3113120142 is a `hidden beast` number, since 311 + 312 + 0 + 1 + 42 = 666.

It is a super-2 number, since 2×3113120142² = 19383034037052200328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 4281783 + ... + 4282509.

It is an arithmetic number, because the mean of its divisors is an integer number (60442200).

Almost surely, 2^3113120142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113120142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3868300800).

3113120142 is an abundant number, since it is smaller than the sum of its proper divisors (4623481458).

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

3113120142 is an equidigital number, since it uses as much as digits as its factorization.

3113120142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 3113120142 is about 55795.3415797412. The cubic root of 3113120142 is about 1460.1538810097.

Adding to 3113120142 its reverse (2410213113), we get a palindrome (5523333255).

The spelling of 3113120142 in words is "three billion, one hundred thirteen million, one hundred twenty thousand, one hundred forty-two".