1331330132 has 12 divisors (see below), whose sum is σ = 2541630336. Its totient is φ = 605150040.

The previous prime is 1331330113. The next prime is 1331330149. The reversal of 1331330132 is 2310331331.

It is a super-2 number, since 2×1331330132² = 3544879840742274848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 15128708 + ... + 15128795.

It is an arithmetic number, because the mean of its divisors is an integer number (211802528).

Almost surely, 2^1331330132 is an apocalyptic number.

It is an amenable number.

1331330132 is a deficient number, since it is larger than the sum of its proper divisors (1210300204).

1331330132 is a wasteful number, since it uses less digits than its factorization.

1331330132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30257518 (or 30257516 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 1331330132 is about 36487.3968926258. The cubic root of 1331330132 is about 1100.0909379364.

Adding to 1331330132 its reverse (2310331331), we get a palindrome (3641661463).

The spelling of 1331330132 in words is "one billion, three hundred thirty-one million, three hundred thirty thousand, one hundred thirty-two".