233311321012 has 24 divisors (see below), whose sum is σ = 509042882880. Its totient is φ = 90900514560.

The previous prime is 233311320947. The next prime is 233311321037. The reversal of 233311321012 is 210123113332.

233311321012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378751837 + ... + 378752452.

It is an arithmetic number, because the mean of its divisors is an integer number (21210120120).

Almost surely, 2^233311321012 is an apocalyptic number.

233311321012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

233311321012 is an abundant number, since it is smaller than the sum of its proper divisors (275731561868).

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

233311321012 is a wasteful number, since it uses less digits than its factorization.

233311321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757504311 (or 757504309 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 233311321012 its reverse (210123113332), we get a palindrome (443434434344).

The spelling of 233311321012 in words is "two hundred thirty-three billion, three hundred eleven million, three hundred twenty-one thousand, twelve".