311313304141 has 4 divisors (see below), whose sum is σ = 355786633312. Its totient is φ = 266839974972.

The previous prime is 311313304139. The next prime is 311313304163. The reversal of 311313304141 is 141403313113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141403313113 = 421 ⋅335874853.

It is a cyclic number.

It is not a de Polignac number, because 311313304141 - 2¹ = 311313304139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311313404141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22236664575 + ... + 22236664588.

It is an arithmetic number, because the mean of its divisors is an integer number (88946658328).

Almost surely, 2^311313304141 is an apocalyptic number.

It is an amenable number.

311313304141 is a deficient number, since it is larger than the sum of its proper divisors (44473329171).

311313304141 is an equidigital number, since it uses as much as digits as its factorization.

311313304141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44473329170.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 311313304141 its reverse (141403313113), we get a palindrome (452716617254).

The spelling of 311313304141 in words is "three hundred eleven billion, three hundred thirteen million, three hundred four thousand, one hundred forty-one".