1331230052 has 12 divisors (see below), whose sum is σ = 2330832000. Its totient is φ = 665278056.

The previous prime is 1331230051. The next prime is 1331230057. The reversal of 1331230052 is 2500321331.

It is not an unprimeable number, because it can be changed into a prime (1331230051) 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, 75248 + ... + 91239.

It is an arithmetic number, because the mean of its divisors is an integer number (194236000).

Almost surely, 2^1331230052 is an apocalyptic number.

It is an amenable number.

1331230052 is a deficient number, since it is larger than the sum of its proper divisors (999601948).

1331230052 is a wasteful number, since it uses less digits than its factorization.

1331230052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168490 (or 168488 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1331230052 is about 36486.0254344043. The cubic root of 1331230052 is about 1100.0633715557.

Adding to 1331230052 its reverse (2500321331), we get a palindrome (3831551383).

It can be divided in two parts, 133 and 1230052, that multiplied together give a triangular number (163596916 = T₁₈₀₈₈).

The spelling of 1331230052 in words is "one billion, three hundred thirty-one million, two hundred thirty thousand, fifty-two".