1331224330 has 8 divisors (see below), whose sum is σ = 2396203812. Its totient is φ = 532489728.

The previous prime is 1331224319. The next prime is 1331224331. The reversal of 1331224330 is 334221331.

It can be written as a sum of positive squares in 2 ways, for example, as 1246160601 + 85063729 = 35301^2 + 9223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1331224331) 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, 66561207 + ... + 66561226.

Almost surely, 2^1331224330 is an apocalyptic number.

1331224330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331224330 is a deficient number, since it is larger than the sum of its proper divisors (1064979482).

1331224330 is a wasteful number, since it uses less digits than its factorization.

1331224330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133122440.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1331224330 is about 36485.9470207366. The cubic root of 1331224330 is about 1100.0617954265.

Adding to 1331224330 its reverse (334221331), we get a palindrome (1665445661).

Subtracting from 1331224330 its reverse (334221331), we obtain a cube (997002999 = 999³).

The spelling of 1331224330 in words is "one billion, three hundred thirty-one million, two hundred twenty-four thousand, three hundred thirty".