20301123311 has 12 divisors (see below), whose sum is σ = 23622753960. Its totient is φ = 17395686000.

The previous prime is 20301123299. The next prime is 20301123313. The reversal of 20301123311 is 11332110302.

It is not a de Polignac number, because 20301123311 - 2¹⁰ = 20301122287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20301123311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301123313) 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 11 ways as a sum of consecutive naturals, for example, 104936 + ... + 227186.

It is an arithmetic number, because the mean of its divisors is an integer number (1968562830).

Almost surely, 2^20301123311 is an apocalyptic number.

20301123311 is a deficient number, since it is larger than the sum of its proper divisors (3321630649).

20301123311 is a wasteful number, since it uses less digits than its factorization.

20301123311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125654 (or 125647 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20301123311 its reverse (11332110302), we get a palindrome (31633233613).

The spelling of 20301123311 in words is "twenty billion, three hundred one million, one hundred twenty-three thousand, three hundred eleven".