1313220111001 has 8 divisors (see below), whose sum is σ = 1335193560000. Its totient is φ = 1291261025040.

The previous prime is 1313220110981. The next prime is 1313220111013. The reversal of 1313220111001 is 1001110223131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1313220111001 - 2²³ = 1313211722393 is a prime.

It is a super-2 number, since 2×1313220111001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313220111701) 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, 3406291 + ... + 3772168.

It is an arithmetic number, because the mean of its divisors is an integer number (166899195000).

Almost surely, 2^{1313220111001} is an apocalyptic number.

It is an amenable number.

1313220111001 is a deficient number, since it is larger than the sum of its proper divisors (21973448999).

1313220111001 is an equidigital number, since it uses as much as digits as its factorization.

1313220111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7181519.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1313220111001 its reverse (1001110223131), we get a palindrome (2314330334132).

The spelling of 1313220111001 in words is "one trillion, three hundred thirteen billion, two hundred twenty million, one hundred eleven thousand, one".