233131130330 has 96 divisors (see below), whose sum is σ = 500368618512. Its totient is φ = 77932108800.

The previous prime is 233131130321. The next prime is 233131130359. The reversal of 233131130330 is 33031131332.

It can be written as a sum of positive squares in 8 ways, for example, as 97307187481 + 135823942849 = 311941^2 + 368543^2 .

It is a junction number, because it is equal to n+sod(n) for n = 233131130296 and 233131130305.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 47028212 + ... + 47033168.

Almost surely, 2^233131130330 is an apocalyptic number.

233131130330 is an abundant number, since it is smaller than the sum of its proper divisors (267237488182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

233131130330 is a wasteful number, since it uses less digits than its factorization.

233131130330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7360 (or 7353 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 233131130330 its reverse (33031131332), we get a palindrome (266162261662).

The spelling of 233131130330 in words is "two hundred thirty-three billion, one hundred thirty-one million, one hundred thirty thousand, three hundred thirty".