231321011330 has 16 divisors (see below), whose sum is σ = 438292442880. Its totient is φ = 87658488432.

The previous prime is 231321011303. The next prime is 231321011393. The reversal of 231321011330 is 33110123132.

231321011330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 608739314 + ... + 608739693.

It is an arithmetic number, because the mean of its divisors is an integer number (27393277680).

Almost surely, 2^231321011330 is an apocalyptic number.

231321011330 is a deficient number, since it is larger than the sum of its proper divisors (206971431550).

231321011330 is a wasteful number, since it uses less digits than its factorization.

231321011330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217479033.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 231321011330 its reverse (33110123132), we get a palindrome (264431134462).

The spelling of 231321011330 in words is "two hundred thirty-one billion, three hundred twenty-one million, eleven thousand, three hundred thirty".