1331232132013 has 16 divisors (see below), whose sum is σ = 1558086403456. Its totient is φ = 1113591628800.

The previous prime is 1331232131993. The next prime is 1331232132049. The reversal of 1331232132013 is 3102312321331.

It is not a de Polignac number, because 1331232132013 - 2¹⁷ = 1331232000941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331232132053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1479756 + ... + 2202757.

It is an arithmetic number, because the mean of its divisors is an integer number (97380400216).

Almost surely, 2^{1331232132013} is an apocalyptic number.

It is an amenable number.

1331232132013 is a deficient number, since it is larger than the sum of its proper divisors (226854271443).

1331232132013 is a wasteful number, since it uses less digits than its factorization.

1331232132013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3683764.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1331232132013 its reverse (3102312321331), we get a palindrome (4433544453344).

The spelling of 1331232132013 in words is "one trillion, three hundred thirty-one billion, two hundred thirty-two million, one hundred thirty-two thousand, thirteen".