1331020332132 has 12 divisors (see below), whose sum is σ = 3105714108336. Its totient is φ = 443673444040.

The previous prime is 1331020332119. The next prime is 1331020332197. The reversal of 1331020332132 is 2312330201331.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55459180494 + ... + 55459180517.

It is an arithmetic number, because the mean of its divisors is an integer number (258809509028).

Almost surely, 2^{1331020332132} is an apocalyptic number.

1331020332132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1331020332132 is an abundant number, since it is smaller than the sum of its proper divisors (1774693776204).

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

1331020332132 is a wasteful number, since it uses less digits than its factorization.

1331020332132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110918361018 (or 110918361016 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1331020332132 its reverse (2312330201331), we get a palindrome (3643350533463).

The spelling of 1331020332132 in words is "one trillion, three hundred thirty-one billion, twenty million, three hundred thirty-two thousand, one hundred thirty-two".