2312013043144 has 80 divisors (see below), whose sum is σ = 5075236713420. Its totient is φ = 987334225920.

The previous prime is 2312013043051. The next prime is 2312013043163. The reversal of 2312013043144 is 4413403102132.

It is a happy number.

2312013043144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1969144240644 + 342868802500 = 1403262^2 + 585550^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5183272 + ... + 5611624.

Almost surely, 2^{2312013043144} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2312013043144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2537618356710).

2312013043144 is an abundant number, since it is smaller than the sum of its proper divisors (2763223670276).

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

2312013043144 is an equidigital number, since it uses as much as digits as its factorization.

2312013043144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428668 (or 428643 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2312013043144 its reverse (4413403102132), we get a palindrome (6725416145276).

The spelling of 2312013043144 in words is "two trillion, three hundred twelve billion, thirteen million, forty-three thousand, one hundred forty-four".