20313121441001 has 4 divisors (see below), whose sum is σ = 21196300634112. Its totient is φ = 19429942247892.

The previous prime is 20313121440979. The next prime is 20313121441013. The reversal of 20313121441001 is 10014412131302.

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 a de Polignac number, because none of the positive numbers 2^k-20313121441001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 883179193087 = 20313121441001 / (2 + 0 + 3 + 1 + 3 + 1 + 2 + 1 + 4 + 4 + 1 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20313121441201) 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, 441589596521 + ... + 441589596566.

It is an arithmetic number, because the mean of its divisors is an integer number (5299075158528).

Almost surely, 2^{20313121441001} is an apocalyptic number.

It is an amenable number.

20313121441001 is a deficient number, since it is larger than the sum of its proper divisors (883179193111).

20313121441001 is an equidigital number, since it uses as much as digits as its factorization.

20313121441001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883179193110.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 20313121441001 its reverse (10014412131302), we get a palindrome (30327533572303).

The spelling of 20313121441001 in words is "twenty trillion, three hundred thirteen billion, one hundred twenty-one million, four hundred forty-one thousand, one".