13331310041021 has 4 divisors (see below), whose sum is σ = 15235782904032. Its totient is φ = 11426837178012.

The previous prime is 13331310040987. The next prime is 13331310041099. The reversal of 13331310041021 is 12014001313331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13331310041021 - 2⁶ = 13331310040957 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 (13331310041521) 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, 952236431495 + ... + 952236431508.

It is an arithmetic number, because the mean of its divisors is an integer number (3808945726008).

Almost surely, 2^{13331310041021} is an apocalyptic number.

It is an amenable number.

13331310041021 is a deficient number, since it is larger than the sum of its proper divisors (1904472863011).

13331310041021 is an equidigital number, since it uses as much as digits as its factorization.

13331310041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904472863010.

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

Adding to 13331310041021 its reverse (12014001313331), we get a palindrome (25345311354352).

The spelling of 13331310041021 in words is "thirteen trillion, three hundred thirty-one billion, three hundred ten million, forty-one thousand, twenty-one".