311341643747 has 2 divisors, whose sum is σ = 311341643748. Its totient is φ = 311341643746.

The previous prime is 311341643713. The next prime is 311341643759. The reversal of 311341643747 is 747346143113.

It is a strong prime.

It is an emirp because it is prime and its reverse (747346143113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311341643747 - 2²⁰ = 311340595171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311341643698 and 311341643707.

It is not a weakly prime, because it can be changed into another prime (311341643647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155670821873 + 155670821874.

It is an arithmetic number, because the mean of its divisors is an integer number (155670821874).

Almost surely, 2^311341643747 is an apocalyptic number.

311341643747 is a deficient number, since it is larger than the sum of its proper divisors (1).

311341643747 is an equidigital number, since it uses as much as digits as its factorization.

311341643747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 44.

The spelling of 311341643747 in words is "three hundred eleven billion, three hundred forty-one million, six hundred forty-three thousand, seven hundred forty-seven".