311120113013 has 4 divisors (see below), whose sum is σ = 311639512800. Its totient is φ = 310600713228.

The previous prime is 311120112973. The next prime is 311120113039. The reversal of 311120113013 is 310311021113.

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: 310311021113 = 256021 ⋅1212053.

It is a cyclic number.

It is not a de Polignac number, because 311120113013 - 2¹⁰ = 311120111989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311120112982 and 311120113000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311120113813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259698995 + ... + 259700192.

It is an arithmetic number, because the mean of its divisors is an integer number (77909878200).

Almost surely, 2^311120113013 is an apocalyptic number.

It is an amenable number.

311120113013 is a deficient number, since it is larger than the sum of its proper divisors (519399787).

311120113013 is an equidigital number, since it uses as much as digits as its factorization.

311120113013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519399786.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 311120113013 its reverse (310311021113), we get a palindrome (621431134126).

The spelling of 311120113013 in words is "three hundred eleven billion, one hundred twenty million, one hundred thirteen thousand, thirteen".