2113231344 has 40 divisors (see below), whose sum is σ = 6239064960. Its totient is φ = 603780288.

The previous prime is 2113231333. The next prime is 2113231349. The reversal of 2113231344 is 4431323112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113231349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3144354 + ... + 3145025.

It is an arithmetic number, because the mean of its divisors is an integer number (155976624).

Almost surely, 2^2113231344 is an apocalyptic number.

2113231344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2113231344 is an abundant number, since it is smaller than the sum of its proper divisors (4125833616).

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

2113231344 is a wasteful number, since it uses less digits than its factorization.

2113231344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6289397 (or 6289391 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 2113231344 is about 45969.8960625321. The cubic root of 2113231344 is about 1283.2630256117.

Adding to 2113231344 its reverse (4431323112), we get a palindrome (6544554456).

The spelling of 2113231344 in words is "two billion, one hundred thirteen million, two hundred thirty-one thousand, three hundred forty-four".