1331303100001 has 4 divisors (see below), whose sum is σ = 1521489257152. Its totient is φ = 1141116942852.

The previous prime is 1331303099999. The next prime is 1331303100011. The reversal of 1331303100001 is 1000013031331.

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 1331303100001 - 2¹ = 1331303099999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331303100011) 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, 95093078565 + ... + 95093078578.

It is an arithmetic number, because the mean of its divisors is an integer number (380372314288).

Almost surely, 2^{1331303100001} is an apocalyptic number.

It is an amenable number.

1331303100001 is a deficient number, since it is larger than the sum of its proper divisors (190186157151).

1331303100001 is an equidigital number, since it uses as much as digits as its factorization.

1331303100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190186157150.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 1331303100001 its reverse (1000013031331), we get a palindrome (2331316131332).

The spelling of 1331303100001 in words is "one trillion, three hundred thirty-one billion, three hundred three million, one hundred thousand, one".