20313303343 has 8 divisors (see below), whose sum is σ = 21161442960. Its totient is φ = 19481958720.

The previous prime is 20313303301. The next prime is 20313303379. The reversal of 20313303343 is 34330331302.

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 20313303343 - 2²¹ = 20311206191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313304343) 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, 4196280 + ... + 4201117.

It is an arithmetic number, because the mean of its divisors is an integer number (2645180370).

Almost surely, 2^20313303343 is an apocalyptic number.

20313303343 is a deficient number, since it is larger than the sum of its proper divisors (848139617).

20313303343 is an equidigital number, since it uses as much as digits as its factorization.

20313303343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8397497.

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 20313303343 its reverse (34330331302), we get a palindrome (54643634645).

The spelling of 20313303343 in words is "twenty billion, three hundred thirteen million, three hundred three thousand, three hundred forty-three".