231302203122 has 8 divisors (see below), whose sum is σ = 462604406256. Its totient is φ = 77100734372.

The previous prime is 231302203091. The next prime is 231302203147. The reversal of 231302203122 is 221302203132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

231302203122 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19275183588 + ... + 19275183599.

It is an arithmetic number, because the mean of its divisors is an integer number (57825550782).

Almost surely, 2^231302203122 is an apocalyptic number.

231302203122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

231302203122 is a wasteful number, since it uses less digits than its factorization.

231302203122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38550367192.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231302203122 its reverse (221302203132), we get a palindrome (452604406254).

The spelling of 231302203122 in words is "two hundred thirty-one billion, three hundred two million, two hundred three thousand, one hundred twenty-two".