2311142 has 8 divisors (see below), whose sum is σ = 3477000. Its totient is φ = 1152144.

The previous prime is 2311123. The next prime is 2311147. The reversal of 2311142 is 2411132.

2311142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767 + ... + 2282.

It is an arithmetic number, because the mean of its divisors is an integer number (434625).

2^2311142 is an apocalyptic number.

2311142 is a deficient number, since it is larger than the sum of its proper divisors (1165858).

2311142 is a wasteful number, since it uses less digits than its factorization.

2311142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430.

The product of its digits is 48, while the sum is 14.

The square root of 2311142 is about 1520.2440593536. The cubic root of 2311142 is about 132.2134212012.

Adding to 2311142 its reverse (2411132), we get a palindrome (4722274).

The spelling of 2311142 in words is "two million, three hundred eleven thousand, one hundred forty-two".