233011111312 has 20 divisors (see below), whose sum is σ = 515953175296. Its totient is φ = 99861904800.

The previous prime is 233011111301. The next prime is 233011111331. The reversal of 233011111312 is 213111110332.

It is a super-2 number, since 2×233011111312² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 233011111312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040228064 + ... + 1040228287.

Almost surely, 2^233011111312 is an apocalyptic number.

It is an amenable number.

233011111312 is an abundant number, since it is smaller than the sum of its proper divisors (282942063984).

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

233011111312 is a wasteful number, since it uses less digits than its factorization.

233011111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080456366 (or 2080456360 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 233011111312 its reverse (213111110332), we get a palindrome (446122221644).

The spelling of 233011111312 in words is "two hundred thirty-three billion, eleven million, one hundred eleven thousand, three hundred twelve".