1001320231001 has 8 divisors (see below), whose sum is σ = 1018322569440. Its totient is φ = 984318919648.

The previous prime is 1001320230979. The next prime is 1001320231031.

1001320231001 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001320231001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1001320231031) 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, 1855925 + ... + 2333901.

It is an arithmetic number, because the mean of its divisors is an integer number (127290321180).

Almost surely, 2^{1001320231001} is an apocalyptic number.

It is an amenable number.

1001320231001 is a deficient number, since it is larger than the sum of its proper divisors (17002338439).

1001320231001 is an equidigital number, since it uses as much as digits as its factorization.

1001320231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513543.

The product of its (nonzero) digits is 36, while the sum is 14.

It can be divided in two parts, 1001320 and 231001, that added together give a palindrome (1232321).

The spelling of 1001320231001 in words is "one trillion, one billion, three hundred twenty million, two hundred thirty-one thousand, one".