1331140223 has 24 divisors (see below), whose sum is σ = 1612872000. Its totient is φ = 1094065728.

The previous prime is 1331140219. The next prime is 1331140277. The reversal of 1331140223 is 3220411331.

It is not a de Polignac number, because 1331140223 - 2² = 1331140219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331140195 and 1331140204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331140423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208586 + ... + 214872.

It is an arithmetic number, because the mean of its divisors is an integer number (67203000).

Almost surely, 2^1331140223 is an apocalyptic number.

1331140223 is a deficient number, since it is larger than the sum of its proper divisors (281731777).

1331140223 is a wasteful number, since it uses less digits than its factorization.

1331140223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6479 (or 6472 counting only the distinct ones).

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

The square root of 1331140223 is about 36484.7944080818. The cubic root of 1331140223 is about 1100.0386275692.

Adding to 1331140223 its reverse (3220411331), we get a palindrome (4551551554).

The spelling of 1331140223 in words is "one billion, three hundred thirty-one million, one hundred forty thousand, two hundred twenty-three".