1331013332001 has 4 divisors (see below), whose sum is σ = 1774684442672. Its totient is φ = 887342221332.

The previous prime is 1331013331993. The next prime is 1331013332023. The reversal of 1331013332001 is 1002333101331.

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 not a de Polignac number, because 1331013332001 - 2³ = 1331013331993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331013331001) 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, 221835555331 + ... + 221835555336.

It is an arithmetic number, because the mean of its divisors is an integer number (443671110668).

Almost surely, 2^{1331013332001} is an apocalyptic number.

It is an amenable number.

1331013332001 is a deficient number, since it is larger than the sum of its proper divisors (443671110671).

1331013332001 is an equidigital number, since it uses as much as digits as its factorization.

1331013332001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443671110670.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1331013332001 its reverse (1002333101331), we get a palindrome (2333346433332).

The spelling of 1331013332001 in words is "one trillion, three hundred thirty-one billion, thirteen million, three hundred thirty-two thousand, one".