1331341144 has 16 divisors (see below), whose sum is σ = 2852874000. Its totient is φ = 570574752.

The previous prime is 1331341133. The next prime is 1331341147. The reversal of 1331341144 is 4411431331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331341147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11886919 + ... + 11887030.

It is an arithmetic number, because the mean of its divisors is an integer number (178304625).

Almost surely, 2^1331341144 is an apocalyptic number.

1331341144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1331341144 is an abundant number, since it is smaller than the sum of its proper divisors (1521532856).

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

1331341144 is a wasteful number, since it uses less digits than its factorization.

1331341144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23773962 (or 23773958 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 1331341144 is about 36487.5477937337. The cubic root of 1331341144 is about 1100.0939710354.

Adding to 1331341144 its reverse (4411431331), we get a palindrome (5742772475).

The spelling of 1331341144 in words is "one billion, three hundred thirty-one million, three hundred forty-one thousand, one hundred forty-four".