233030031312 has 40 divisors (see below), whose sum is σ = 648301499104. Its totient is φ = 71701547904.

The previous prime is 233030031287. The next prime is 233030031313. The reversal of 233030031312 is 213130030332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233030031313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186722158 + ... + 186723405.

Almost surely, 2^233030031312 is an apocalyptic number.

It is an amenable number.

233030031312 is an abundant number, since it is smaller than the sum of its proper divisors (415271467792).

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

233030031312 is a wasteful number, since it uses less digits than its factorization.

233030031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373445587 (or 373445581 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 233030031312 its reverse (213130030332), we get a palindrome (446160061644).

The spelling of 233030031312 in words is "two hundred thirty-three billion, thirty million, thirty-one thousand, three hundred twelve".