1323131232330 has 24 divisors (see below), whose sum is σ = 3440141204292. Its totient is φ = 352834995264.

The previous prime is 1323131232329. The next prime is 1323131232391. The reversal of 1323131232330 is 332321313231.

1323131232330 is a `hidden beast` number, since 1 + 3 + 2 + 313 + 12 + 3 + 2 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1278407864889 + 44723367441 = 1130667^2 + 211479^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1323131232294 and 1323131232303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7350728979 + ... + 7350729158.

Almost surely, 2^{1323131232330} is an apocalyptic number.

1323131232330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1323131232330 is an abundant number, since it is smaller than the sum of its proper divisors (2117009971962).

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

1323131232330 is a wasteful number, since it uses less digits than its factorization.

1323131232330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14701458150 (or 14701458147 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 1323131232330 its reverse (332321313231), we get a palindrome (1655452545561).

The spelling of 1323131232330 in words is "one trillion, three hundred twenty-three billion, one hundred thirty-one million, two hundred thirty-two thousand, three hundred thirty".