311230203029 has 2 divisors, whose sum is σ = 311230203030. Its totient is φ = 311230203028.

The previous prime is 311230202963. The next prime is 311230203079. The reversal of 311230203029 is 920302032113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 298143300625 + 13086902404 = 546025^2 + 114398^2 .

It is a cyclic number.

It is not a de Polignac number, because 311230203029 - 2¹² = 311230198933 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 311230202989 and 311230203007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311230203079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155615101514 + 155615101515.

It is an arithmetic number, because the mean of its divisors is an integer number (155615101515).

Almost surely, 2^311230203029 is an apocalyptic number.

It is an amenable number.

311230203029 is a deficient number, since it is larger than the sum of its proper divisors (1).

311230203029 is an equidigital number, since it uses as much as digits as its factorization.

311230203029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 311230203029 in words is "three hundred eleven billion, two hundred thirty million, two hundred three thousand, twenty-nine".