1331342468 has 12 divisors (see below), whose sum is σ = 2332363740. Its totient is φ = 664952832.

The previous prime is 1331342443. The next prime is 1331342477. The reversal of 1331342468 is 8642431331.

It can be written as a sum of positive squares in 2 ways, for example, as 71944324 + 1259398144 = 8482^2 + 35488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175421 + ... + 182852.

It is an arithmetic number, because the mean of its divisors is an integer number (194363645).

Almost surely, 2^1331342468 is an apocalyptic number.

It is an amenable number.

1331342468 is a deficient number, since it is larger than the sum of its proper divisors (1001021272).

1331342468 is a wasteful number, since it uses less digits than its factorization.

1331342468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359206 (or 359204 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 1331342468 is about 36487.5659369051. The cubic root of 1331342468 is about 1100.0943357112.

Adding to 1331342468 its reverse (8642431331), we get a palindrome (9973773799).

The spelling of 1331342468 in words is "one billion, three hundred thirty-one million, three hundred forty-two thousand, four hundred sixty-eight".