311100550001149 has 2 divisors, whose sum is σ = 311100550001150. Its totient is φ = 311100550001148.

The previous prime is 311100550001113. The next prime is 311100550001203. The reversal of 311100550001149 is 941100055001113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186336341357049 + 124764208644100 = 13650507^2 + 11169790^2 .

It is a cyclic number.

It is not a de Polignac number, because 311100550001149 - 2²¹ = 311100547903997 is a prime.

It is a super-2 number, since 2×311100550001149² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 311100550001149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311100550001849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155550275000574 + 155550275000575.

It is an arithmetic number, because the mean of its divisors is an integer number (155550275000575).

Almost surely, 2^{311100550001149} is an apocalyptic number.

It is an amenable number.

311100550001149 is a deficient number, since it is larger than the sum of its proper divisors (1).

311100550001149 is an equidigital number, since it uses as much as digits as its factorization.

311100550001149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 31.

The spelling of 311100550001149 in words is "three hundred eleven trillion, one hundred billion, five hundred fifty million, one thousand, one hundred forty-nine".