2311122142 has 24 divisors (see below), whose sum is σ = 4061708280. Its totient is φ = 983349360.

The previous prime is 2311122139. The next prime is 2311122181. The reversal of 2311122142 is 2412211132.

2311122142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71209 + ... + 98452.

It is an arithmetic number, because the mean of its divisors is an integer number (169237845).

Almost surely, 2^2311122142 is an apocalyptic number.

2311122142 is a deficient number, since it is larger than the sum of its proper divisors (1750586138).

2311122142 is a wasteful number, since it uses less digits than its factorization.

2311122142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169816 (or 169809 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 2311122142 is about 48074.1317342290. The cubic root of 2311122142 is about 1322.1304252815.

Adding to 2311122142 its reverse (2412211132), we get a palindrome (4723333274).

The spelling of 2311122142 in words is "two billion, three hundred eleven million, one hundred twenty-two thousand, one hundred forty-two".