20313313013 has 8 divisors (see below), whose sum is σ = 23494916928. Its totient is φ = 17201634624.

The previous prime is 20313312989. The next prime is 20313313037. The reversal of 20313313013 is 31031331302.

It is an interprime number because it is at equal distance from previous prime (20313312989) and next prime (20313313037).

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 20313313013 - 2¹⁸ = 20313050869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313313513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17480756 + ... + 17481917.

It is an arithmetic number, because the mean of its divisors is an integer number (2936864616).

Almost surely, 2^20313313013 is an apocalyptic number.

It is an amenable number.

20313313013 is a deficient number, since it is larger than the sum of its proper divisors (3181603915).

20313313013 is an equidigital number, since it uses as much as digits as its factorization.

20313313013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34962763.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 20313313013 its reverse (31031331302), we get a palindrome (51344644315).

The spelling of 20313313013 in words is "twenty billion, three hundred thirteen million, three hundred thirteen thousand, thirteen".