1331332101013 has 4 divisors (see below), whose sum is σ = 1337145778540. Its totient is φ = 1325518423488.

The previous prime is 1331332100957. The next prime is 1331332101059. The reversal of 1331332101013 is 3101012331331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 712752997009 + 618579104004 = 844247^2 + 786498^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331332101013 - 2¹³ = 1331332092821 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 (1331332102013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2906838420 + ... + 2906838877.

It is an arithmetic number, because the mean of its divisors is an integer number (334286444635).

Almost surely, 2^{1331332101013} is an apocalyptic number.

It is an amenable number.

1331332101013 is a deficient number, since it is larger than the sum of its proper divisors (5813677527).

1331332101013 is an equidigital number, since it uses as much as digits as its factorization.

1331332101013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5813677526.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1331332101013 its reverse (3101012331331), we get a palindrome (4432344432344).

The spelling of 1331332101013 in words is "one trillion, three hundred thirty-one billion, three hundred thirty-two million, one hundred one thousand, thirteen".