1323131108 has 48 divisors (see below), whose sum is σ = 2533386240. Its totient is φ = 601008000.

The previous prime is 1323131087. The next prime is 1323131111. The reversal of 1323131108 is 8011313231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1002473 + ... + 1003791.

It is an arithmetic number, because the mean of its divisors is an integer number (52778880).

Almost surely, 2^1323131108 is an apocalyptic number.

It is an amenable number.

1323131108 is a deficient number, since it is larger than the sum of its proper divisors (1210255132).

1323131108 is a wasteful number, since it uses less digits than its factorization.

1323131108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1323131108 is about 36374.8691818953. The cubic root of 1323131108 is about 1097.8279751691.

Adding to 1323131108 its reverse (8011313231), we get a palindrome (9334444339).

The spelling of 1323131108 in words is "one billion, three hundred twenty-three million, one hundred thirty-one thousand, one hundred eight".