2154231344 has 10 divisors (see below), whose sum is σ = 4173823260. Its totient is φ = 1077115664.

The previous prime is 2154231341. The next prime is 2154231367. The reversal of 2154231344 is 4431324512.

It is not an unprimeable number, because it can be changed into a prime (2154231341) 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 as a sum of consecutive naturals, namely, 67319714 + ... + 67319745.

It is an arithmetic number, because the mean of its divisors is an integer number (417382326).

Almost surely, 2^2154231344 is an apocalyptic number.

It is an amenable number.

2154231344 is a deficient number, since it is larger than the sum of its proper divisors (2019591916).

2154231344 is a wasteful number, since it uses less digits than its factorization.

2154231344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134639467 (or 134639461 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 2154231344 is about 46413.6978057125. The cubic root of 2154231344 is about 1291.5090294886.

Adding to 2154231344 its reverse (4431324512), we get a palindrome (6585555856).

The spelling of 2154231344 in words is "two billion, one hundred fifty-four million, two hundred thirty-one thousand, three hundred forty-four".