2313212242 has 32 divisors (see below), whose sum is σ = 3892929984. Its totient is φ = 1021924800.

The previous prime is 2313212221. The next prime is 2313212249. The reversal of 2313212242 is 2422123132.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2313212249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115492 + ... + 134032.

It is an arithmetic number, because the mean of its divisors is an integer number (121654062).

Almost surely, 2^2313212242 is an apocalyptic number.

2313212242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2313212242 is a deficient number, since it is larger than the sum of its proper divisors (1579717742).

2313212242 is a wasteful number, since it uses less digits than its factorization.

2313212242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18714.

The product of its digits is 1152, while the sum is 22.

The square root of 2313212242 is about 48095.8651237297. The cubic root of 2313212242 is about 1322.5288684062.

Adding to 2313212242 its reverse (2422123132), we get a palindrome (4735335374).

The spelling of 2313212242 in words is "two billion, three hundred thirteen million, two hundred twelve thousand, two hundred forty-two".