2144133321 has 16 divisors (see below), whose sum is σ = 3219345408. Its totient is φ = 1257555600.

The previous prime is 2144133319. The next prime is 2144133359. The reversal of 2144133321 is 1233314412.

It is a happy number.

It is not a de Polignac number, because 2144133321 - 2¹ = 2144133319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2144133291 and 2144133300.

It is not an unprimeable number, because it can be changed into a prime (2144133221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1046941 + ... + 1048986.

It is an arithmetic number, because the mean of its divisors is an integer number (201209088).

Almost surely, 2^2144133321 is an apocalyptic number.

It is an amenable number.

2144133321 is a deficient number, since it is larger than the sum of its proper divisors (1075212087).

2144133321 is a wasteful number, since it uses less digits than its factorization.

2144133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095972.

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

The square root of 2144133321 is about 46304.7872363107. The cubic root of 2144133321 is about 1289.4878725501.

Adding to 2144133321 its reverse (1233314412), we get a palindrome (3377447733).

The spelling of 2144133321 in words is "two billion, one hundred forty-four million, one hundred thirty-three thousand, three hundred twenty-one".