233231233131320 has 32 divisors (see below), whose sum is σ = 529674669644400. Its totient is φ = 92420600790528.

The previous prime is 233231233131293. The next prime is 233231233131341. The reversal of 233231233131320 is 23131332132332.

It is a happy number.

It is a super-2 number, since 2×233231233131320² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27246635105 + ... + 27246643664.

Almost surely, 2^{233231233131320} is an apocalyptic number.

233231233131320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

233231233131320 is an abundant number, since it is smaller than the sum of its proper divisors (296443436513080).

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

233231233131320 is a wasteful number, since it uses less digits than its factorization.

233231233131320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54493278887 (or 54493278883 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 32.

Adding to 233231233131320 its reverse (23131332132332), we get a palindrome (256362565263652).

The spelling of 233231233131320 in words is "two hundred thirty-three trillion, two hundred thirty-one billion, two hundred thirty-three million, one hundred thirty-one thousand, three hundred twenty".