2113043231000 has 128 divisors (see below), whose sum is σ = 5365521120960. Its totient is φ = 774244224000.

The previous prime is 2113043230943. The next prime is 2113043231017. The reversal of 2113043231000 is 1323403112.

It is a super-2 number, since 2×2113043231000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1082612 + ... + 2323388.

Almost surely, 2^{2113043231000} is an apocalyptic number.

2113043231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2113043231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2682760560480).

2113043231000 is an abundant number, since it is smaller than the sum of its proper divisors (3252477889960).

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

2113043231000 is a wasteful number, since it uses less digits than its factorization.

2113043231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240942 (or 1240928 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2113043231000 its reverse (1323403112), we get a palindrome (2114366634112).

The spelling of 2113043231000 in words is "two trillion, one hundred thirteen billion, forty-three million, two hundred thirty-one thousand".