311113112413 has 4 divisors (see below), whose sum is σ = 318701237148. Its totient is φ = 303524987680.

The previous prime is 311113112399. The next prime is 311113112437. The reversal of 311113112413 is 314211311113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43165048644 + 267948063769 = 207762^2 + 517637^2 .

It is not a de Polignac number, because 311113112413 - 2¹³ = 311113104221 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 (311113112473) 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, 3794062306 + ... + 3794062387.

It is an arithmetic number, because the mean of its divisors is an integer number (79675309287).

Almost surely, 2^311113112413 is an apocalyptic number.

It is an amenable number.

311113112413 is a deficient number, since it is larger than the sum of its proper divisors (7588124735).

311113112413 is an equidigital number, since it uses as much as digits as its factorization.

311113112413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588124734.

The product of its digits is 216, while the sum is 22.

Adding to 311113112413 its reverse (314211311113), we get a palindrome (625324423526).

The spelling of 311113112413 in words is "three hundred eleven billion, one hundred thirteen million, one hundred twelve thousand, four hundred thirteen".