20313111343 has 8 divisors (see below), whose sum is σ = 23454314912. Its totient is φ = 17231740416.

The previous prime is 20313111341. The next prime is 20313111353. The reversal of 20313111343 is 34311131302.

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 20313111343 - 2¹ = 20313111341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313111341) 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, 14957430 + ... + 14958787.

It is an arithmetic number, because the mean of its divisors is an integer number (2931789364).

Almost surely, 2^20313111343 is an apocalyptic number.

20313111343 is a deficient number, since it is larger than the sum of its proper divisors (3141203569).

20313111343 is an equidigital number, since it uses as much as digits as its factorization.

20313111343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29916321.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20313111343 its reverse (34311131302), we get a palindrome (54624242645).

The spelling of 20313111343 in words is "twenty billion, three hundred thirteen million, one hundred eleven thousand, three hundred forty-three".