2113243234312 has 16 divisors (see below), whose sum is σ = 4528378359360. Its totient is φ = 905675671824.

The previous prime is 2113243234307. The next prime is 2113243234313. The reversal of 2113243234312 is 2134323423112.

It is a super-2 number, since 2×2113243234312² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2113243234313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18868243108 + ... + 18868243219.

It is an arithmetic number, because the mean of its divisors is an integer number (283023647460).

Almost surely, 2^{2113243234312} is an apocalyptic number.

It is an amenable number.

2113243234312 is an abundant number, since it is smaller than the sum of its proper divisors (2415135125048).

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

2113243234312 is a wasteful number, since it uses less digits than its factorization.

2113243234312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37736486340 (or 37736486336 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

Adding to 2113243234312 its reverse (2134323423112), we get a palindrome (4247566657424).

The spelling of 2113243234312 in words is "two trillion, one hundred thirteen billion, two hundred forty-three million, two hundred thirty-four thousand, three hundred twelve".