1331021113013 has 8 divisors (see below), whose sum is σ = 1409705529408. Its totient is φ = 1252379925184.

The previous prime is 1331021112997. The next prime is 1331021113027. The reversal of 1331021113013 is 3103111201331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331021113013 - 2⁴ = 1331021112997 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 (1331021113073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10743731 + ... + 10866912.

It is an arithmetic number, because the mean of its divisors is an integer number (176213191176).

Almost surely, 2^{1331021113013} is an apocalyptic number.

It is an amenable number.

1331021113013 is a deficient number, since it is larger than the sum of its proper divisors (78684416395).

1331021113013 is a wasteful number, since it uses less digits than its factorization.

1331021113013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21614283.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1331021113013 its reverse (3103111201331), we get a palindrome (4434132314344).

The spelling of 1331021113013 in words is "one trillion, three hundred thirty-one billion, twenty-one million, one hundred thirteen thousand, thirteen".