231123134351313 has 6 divisors (see below), whose sum is σ = 333844527396354. Its totient is φ = 154082089567536.

The previous prime is 231123134351311. The next prime is 231123134351357. The reversal of 231123134351313 is 313153431321132.

231123134351313 is a `hidden beast` number, since 2 + 3 + 1 + 1 + 2 + 3 + 134 + 3 + 513 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 220642712278209 + 10480422073104 = 14854047^2 + 3237348^2 .

It is not a de Polignac number, because 231123134351313 - 2¹ = 231123134351311 is a prime.

It is a super-3 number, since 3×231123134351313³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (231123134351311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12840174130620 + ... + 12840174130637.

It is an arithmetic number, because the mean of its divisors is an integer number (55640754566059).

Almost surely, 2^{231123134351313} is an apocalyptic number.

It is an amenable number.

231123134351313 is a deficient number, since it is larger than the sum of its proper divisors (102721393045041).

231123134351313 is a wasteful number, since it uses less digits than its factorization.

231123134351313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25680348261263 (or 25680348261260 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

Adding to 231123134351313 its reverse (313153431321132), we get a palindrome (544276565672445).

The spelling of 231123134351313 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, one hundred thirty-four million, three hundred fifty-one thousand, three hundred thirteen".