1331342344013 has 16 divisors (see below), whose sum is σ = 1453945113600. Its totient is φ = 1209002258880.

The previous prime is 1331342344009. The next prime is 1331342344063. The reversal of 1331342344013 is 3104432431331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1331342344013 - 2² = 1331342344009 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 (1331342344063) 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, 39912020 + ... + 39945362.

It is an arithmetic number, because the mean of its divisors is an integer number (90871569600).

Almost surely, 2^{1331342344013} is an apocalyptic number.

It is an amenable number.

1331342344013 is a deficient number, since it is larger than the sum of its proper divisors (122602769587).

1331342344013 is a wasteful number, since it uses less digits than its factorization.

1331342344013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37172.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 1331342344013 its reverse (3104432431331), we get a palindrome (4435774775344).

The spelling of 1331342344013 in words is "one trillion, three hundred thirty-one billion, three hundred forty-two million, three hundred forty-four thousand, thirteen".