1331021413013 has 8 divisors (see below), whose sum is σ = 1354758165600. Its totient is φ = 1307398506480.

The previous prime is 1331021412971. The next prime is 1331021413027. The reversal of 1331021413013 is 3103141201331.

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 1331021413013 - 2¹⁰ = 1331021411989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331021413013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331021413613) 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, 28437923 + ... + 28484688.

It is an arithmetic number, because the mean of its divisors is an integer number (169344770700).

Almost surely, 2^{1331021413013} is an apocalyptic number.

It is an amenable number.

1331021413013 is a deficient number, since it is larger than the sum of its proper divisors (23736752587).

1331021413013 is an equidigital number, since it uses as much as digits as its factorization.

1331021413013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56923027.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1331021413013 its reverse (3103141201331), we get a palindrome (4434162614344).

The spelling of 1331021413013 in words is "one trillion, three hundred thirty-one billion, twenty-one million, four hundred thirteen thousand, thirteen".