311240240113 has 16 divisors (see below), whose sum is σ = 349449811200. Its totient is φ = 274798731280.

The previous prime is 311240240053. The next prime is 311240240131. The reversal of 311240240113 is 311042042113.

It is a cyclic number.

It is not a de Polignac number, because 311240240113 - 2¹⁷ = 311240109041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311240220113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2835103 + ... + 2942836.

It is an arithmetic number, because the mean of its divisors is an integer number (21840613200).

Almost surely, 2^311240240113 is an apocalyptic number.

It is an amenable number.

311240240113 is a deficient number, since it is larger than the sum of its proper divisors (38209571087).

311240240113 is a wasteful number, since it uses less digits than its factorization.

311240240113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778092.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 311240240113 its reverse (311042042113), we get a palindrome (622282282226).

The spelling of 311240240113 in words is "three hundred eleven billion, two hundred forty million, two hundred forty thousand, one hundred thirteen".