233113131313 has 4 divisors (see below), whose sum is σ = 233282916468. Its totient is φ = 232943346160.

The previous prime is 233113131283. The next prime is 233113131319. The reversal of 233113131313 is 313131311332.

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 221965361424 + 11147769889 = 471132^2 + 105583^2 .

It is a cyclic number.

It is not a de Polignac number, because 233113131313 - 2⁵ = 233113131281 is a prime.

It is a super-2 number, since 2×233113131313² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233113131319) 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, 84890518 + ... + 84893263.

It is an arithmetic number, because the mean of its divisors is an integer number (58320729117).

Almost surely, 2^233113131313 is an apocalyptic number.

It is an amenable number.

233113131313 is a deficient number, since it is larger than the sum of its proper divisors (169785155).

233113131313 is a wasteful number, since it uses less digits than its factorization.

233113131313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169785154.

The product of its digits is 1458, while the sum is 25.

Adding to 233113131313 its reverse (313131311332), we get a palindrome (546244442645).

It can be divided in two parts, 2331 and 13131313, that multiplied together give a palindrome (30609090603).

The spelling of 233113131313 in words is "two hundred thirty-three billion, one hundred thirteen million, one hundred thirty-one thousand, three hundred thirteen".