20113424311 has 2 divisors, whose sum is σ = 20113424312. Its totient is φ = 20113424310.

The previous prime is 20113424299. The next prime is 20113424327. The reversal of 20113424311 is 11342431102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20113424311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20113424381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056712155 + 10056712156.

It is an arithmetic number, because the mean of its divisors is an integer number (10056712156).

Almost surely, 2^20113424311 is an apocalyptic number.

20113424311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113424311 is an equidigital number, since it uses as much as digits as its factorization.

20113424311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20113424311 its reverse (11342431102), we get a palindrome (31455855413).

The spelling of 20113424311 in words is "twenty billion, one hundred thirteen million, four hundred twenty-four thousand, three hundred eleven".