2311101213173 has 2 divisors, whose sum is σ = 2311101213174. Its totient is φ = 2311101213172.

The previous prime is 2311101213067. The next prime is 2311101213181. The reversal of 2311101213173 is 3713121011132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1438255728529 + 872845484644 = 1199273^2 + 934262^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311101213173 - 2¹⁶ = 2311101147637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311101213973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155550606586 + 1155550606587.

It is an arithmetic number, because the mean of its divisors is an integer number (1155550606587).

Almost surely, 2^{2311101213173} is an apocalyptic number.

It is an amenable number.

2311101213173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311101213173 is an equidigital number, since it uses as much as digits as its factorization.

2311101213173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The spelling of 2311101213173 in words is "two trillion, three hundred eleven billion, one hundred one million, two hundred thirteen thousand, one hundred seventy-three".