1001311320023 has 8 divisors (see below), whose sum is σ = 1144600404480. Its totient is φ = 858083388120.

The previous prime is 1001311320001. The next prime is 1001311320047. The reversal of 1001311320023 is 3200231131001.

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

It is not a de Polignac number, because 1001311320023 - 2²² = 1001307125719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001311319983 and 1001311320010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001311320083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15253043 + ... + 15318548.

It is an arithmetic number, because the mean of its divisors is an integer number (143075050560).

Almost surely, 2^{1001311320023} is an apocalyptic number.

1001311320023 is a deficient number, since it is larger than the sum of its proper divisors (143289084457).

1001311320023 is an equidigital number, since it uses as much as digits as its factorization.

1001311320023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30576277.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1001311320023 its reverse (3200231131001), we get a palindrome (4201542451024).

The spelling of 1001311320023 in words is "one trillion, one billion, three hundred eleven million, three hundred twenty thousand, twenty-three".