1313011121001 has 8 divisors (see below), whose sum is σ = 1750758901920. Its totient is φ = 875302043712.

The previous prime is 1313011120969. The next prime is 1313011121021. The reversal of 1313011121001 is 1001211103131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1313011121001 - 2⁵ = 1313011120969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313011121021) 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, 9596656 + ... + 9732513.

It is an arithmetic number, because the mean of its divisors is an integer number (218844862740).

Almost surely, 2^{1313011121001} is an apocalyptic number.

It is an amenable number.

1313011121001 is a deficient number, since it is larger than the sum of its proper divisors (437747780919).

1313011121001 is a wasteful number, since it uses less digits than its factorization.

1313011121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19351815.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1313011121001 its reverse (1001211103131), we get a palindrome (2314222224132).

The spelling of 1313011121001 in words is "one trillion, three hundred thirteen billion, eleven million, one hundred twenty-one thousand, one".