311741147213 has 2 divisors, whose sum is σ = 311741147214. Its totient is φ = 311741147212.

The previous prime is 311741147189. The next prime is 311741147251. The reversal of 311741147213 is 312741147113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239391982729 + 72349164484 = 489277^2 + 268978^2 .

It is a cyclic number.

It is not a de Polignac number, because 311741147213 - 2¹⁴ = 311741130829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311741147293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155870573606 + 155870573607.

It is an arithmetic number, because the mean of its divisors is an integer number (155870573607).

Almost surely, 2^311741147213 is an apocalyptic number.

It is an amenable number.

311741147213 is a deficient number, since it is larger than the sum of its proper divisors (1).

311741147213 is an equidigital number, since it uses as much as digits as its factorization.

311741147213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 35.

The spelling of 311741147213 in words is "three hundred eleven billion, seven hundred forty-one million, one hundred forty-seven thousand, two hundred thirteen".