233213131131 has 8 divisors (see below), whose sum is σ = 311489753424. Its totient is φ = 155205964800.

The previous prime is 233213131093. The next prime is 233213131157. The reversal of 233213131131 is 131131312332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 233213131131 - 2⁷ = 233213131003 is a prime.

It is a super-2 number, since 2×233213131131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (233213131331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67361970 + ... + 67365431.

It is an arithmetic number, because the mean of its divisors is an integer number (38936219178).

Almost surely, 2^233213131131 is an apocalyptic number.

233213131131 is a deficient number, since it is larger than the sum of its proper divisors (78276622293).

233213131131 is a wasteful number, since it uses less digits than its factorization.

233213131131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134727981.

The product of its digits is 972, while the sum is 24.

Adding to 233213131131 its reverse (131131312332), we get a palindrome (364344443463).

The spelling of 233213131131 in words is "two hundred thirty-three billion, two hundred thirteen million, one hundred thirty-one thousand, one hundred thirty-one".