2311302312149 has 2 divisors, whose sum is σ = 2311302312150. Its totient is φ = 2311302312148.

The previous prime is 2311302312103. The next prime is 2311302312169. The reversal of 2311302312149 is 9412132031132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2308120562500 + 3181749649 = 1519250^2 + 56407^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311302312149 - 2¹⁶ = 2311302246613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311302312169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155651156074 + 1155651156075.

It is an arithmetic number, because the mean of its divisors is an integer number (1155651156075).

Almost surely, 2^{2311302312149} is an apocalyptic number.

It is an amenable number.

2311302312149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311302312149 is an equidigital number, since it uses as much as digits as its factorization.

2311302312149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 2311302312149 in words is "two trillion, three hundred eleven billion, three hundred two million, three hundred twelve thousand, one hundred forty-nine".