2311210242 has 48 divisors (see below), whose sum is σ = 5579114112. Its totient is φ = 685462560.

The previous prime is 2311210241. The next prime is 2311210243. The reversal of 2311210242 is 2420121132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2311210241) and next prime (2311210243).

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

It is not an unprimeable number, because it can be changed into a prime (2311210241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114873 + ... + 133484.

It is an arithmetic number, because the mean of its divisors is an integer number (116231544).

Almost surely, 2^2311210242 is an apocalyptic number.

2311210242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2311210242 is an abundant number, since it is smaller than the sum of its proper divisors (3267903870).

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

2311210242 is a wasteful number, since it uses less digits than its factorization.

2311210242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248423 (or 248420 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2311210242 is about 48075.0480186968. The cubic root of 2311210242 is about 1322.1472249432.

Adding to 2311210242 its reverse (2420121132), we get a palindrome (4731331374).

The spelling of 2311210242 in words is "two billion, three hundred eleven million, two hundred ten thousand, two hundred forty-two".