230021113312 has 48 divisors (see below), whose sum is σ = 471275249760. Its totient is φ = 110379662848.

The previous prime is 230021113307. The next prime is 230021113313. The reversal of 230021113312 is 213311120032.

230021113312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 230021113312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230021113313) by changing a digit.

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, 587143 + ... + 897094.

It is an arithmetic number, because the mean of its divisors is an integer number (9818234370).

Almost surely, 2^230021113312 is an apocalyptic number.

It is an amenable number.

230021113312 is an abundant number, since it is smaller than the sum of its proper divisors (241254136448).

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

230021113312 is a wasteful number, since it uses less digits than its factorization.

230021113312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484443 (or 1484435 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 230021113312 its reverse (213311120032), we get a palindrome (443332233344).

The spelling of 230021113312 in words is "two hundred thirty billion, twenty-one million, one hundred thirteen thousand, three hundred twelve".