231233011233312 has 96 divisors (see below), whose sum is σ = 662181281858880. Its totient is φ = 70069125611520.

The previous prime is 231233011233293. The next prime is 231233011233317. The reversal of 231233011233312 is 213332110332132.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 231233011233312.

It is not an unprimeable number, because it can be changed into a prime (231233011233317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48090264 + ... + 52679592.

It is an arithmetic number, because the mean of its divisors is an integer number (6897721686030).

Almost surely, 2^{231233011233312} is an apocalyptic number.

231233011233312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231233011233312 is an abundant number, since it is smaller than the sum of its proper divisors (430948270625568).

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

231233011233312 is a wasteful number, since it uses less digits than its factorization.

231233011233312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637066 (or 4637058 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 231233011233312 its reverse (213332110332132), we get a palindrome (444565121565444).

The spelling of 231233011233312 in words is "two hundred thirty-one trillion, two hundred thirty-three billion, eleven million, two hundred thirty-three thousand, three hundred twelve".