2311121342 has 4 divisors (see below), whose sum is σ = 3466682016. Its totient is φ = 1155560670.

The previous prime is 2311121327. The next prime is 2311121369. The reversal of 2311121342 is 2431211132.

2311121342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577780334 + ... + 577780337.

It is an arithmetic number, because the mean of its divisors is an integer number (866670504).

Almost surely, 2^2311121342 is an apocalyptic number.

2311121342 is a deficient number, since it is larger than the sum of its proper divisors (1155560674).

2311121342 is a wasteful number, since it uses less digits than its factorization.

2311121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155560673.

The product of its digits is 288, while the sum is 20.

The square root of 2311121342 is about 48074.1234137452. The cubic root of 2311121342 is about 1322.1302727287.

Adding to 2311121342 its reverse (2431211132), we get a palindrome (4742332474).

The spelling of 2311121342 in words is "two billion, three hundred eleven million, one hundred twenty-one thousand, three hundred forty-two".