20311000141 has 2 divisors, whose sum is σ = 20311000142. Its totient is φ = 20311000140.

The previous prime is 20311000139. The next prime is 20311000183. The reversal of 20311000141 is 14100011302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12733994025 + 7577006116 = 112845^2 + 87046^2 .

It is a cyclic number.

It is not a de Polignac number, because 20311000141 - 2¹ = 20311000139 is a prime.

Together with 20311000139, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20311000841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10155500070 + 10155500071.

It is an arithmetic number, because the mean of its divisors is an integer number (10155500071).

Almost surely, 2^20311000141 is an apocalyptic number.

It is an amenable number.

20311000141 is a deficient number, since it is larger than the sum of its proper divisors (1).

20311000141 is an equidigital number, since it uses as much as digits as its factorization.

20311000141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20311000141 its reverse (14100011302), we get a palindrome (34411011443).

The spelling of 20311000141 in words is "twenty billion, three hundred eleven million, one hundred forty-one", and thus it is an aban number.