231313011330 has 16 divisors (see below), whose sum is σ = 555151227264. Its totient is φ = 61683469680.

The previous prime is 231313011301. The next prime is 231313011331. The reversal of 231313011330 is 33110313132.

231313011330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231313011297 and 231313011306.

It is not an unprimeable number, because it can be changed into a prime (231313011331) 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, 3855216826 + ... + 3855216885.

It is an arithmetic number, because the mean of its divisors is an integer number (34696951704).

Almost surely, 2^231313011330 is an apocalyptic number.

231313011330 is an abundant number, since it is smaller than the sum of its proper divisors (323838215934).

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

231313011330 is a wasteful number, since it uses less digits than its factorization.

231313011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7710433721.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 231313011330 its reverse (33110313132), we get a palindrome (264423324462).

The spelling of 231313011330 in words is "two hundred thirty-one billion, three hundred thirteen million, eleven thousand, three hundred thirty".