1331242034013 has 16 divisors (see below), whose sum is σ = 1999988035200. Its totient is φ = 874994762880.

The previous prime is 1331242033999. The next prime is 1331242034039. The reversal of 1331242034013 is 3104302421331.

It is a happy number.

1331242034013 is a `hidden beast` number, since 1 + 3 + 31 + 24 + 203 + 401 + 3 = 666.

It is not a de Polignac number, because 1331242034013 - 2⁶ = 1331242033949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331242034413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347218228 + ... + 347222061.

It is an arithmetic number, because the mean of its divisors is an integer number (124999252200).

Almost surely, 2^{1331242034013} is an apocalyptic number.

It is an amenable number.

1331242034013 is a deficient number, since it is larger than the sum of its proper divisors (668746001187).

1331242034013 is an equidigital number, since it uses as much as digits as its factorization.

1331242034013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694440369 (or 694440363 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1331242034013 its reverse (3104302421331), we get a palindrome (4435544455344).

The spelling of 1331242034013 in words is "one trillion, three hundred thirty-one billion, two hundred forty-two million, thirty-four thousand, thirteen".