311230153141 has 2 divisors, whose sum is σ = 311230153142. Its totient is φ = 311230153140.

The previous prime is 311230153111. The next prime is 311230153183. The reversal of 311230153141 is 141351032113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290255872516 + 20974280625 = 538754^2 + 144825^2 .

It is an emirp because it is prime and its reverse (141351032113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311230153141 - 2⁵ = 311230153109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311230153111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155615076570 + 155615076571.

It is an arithmetic number, because the mean of its divisors is an integer number (155615076571).

Almost surely, 2^311230153141 is an apocalyptic number.

It is an amenable number.

311230153141 is a deficient number, since it is larger than the sum of its proper divisors (1).

311230153141 is an equidigital number, since it uses as much as digits as its factorization.

311230153141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 311230153141 its reverse (141351032113), we get a palindrome (452581185254).

The spelling of 311230153141 in words is "three hundred eleven billion, two hundred thirty million, one hundred fifty-three thousand, one hundred forty-one".