231020312311002 has 8 divisors (see below), whose sum is σ = 462040624622016. Its totient is φ = 77006770770332.

The previous prime is 231020312310913. The next prime is 231020312311039. The reversal of 231020312311002 is 200113213020132.

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

231020312311002 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 231020312311002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19251692692578 + ... + 19251692692589.

It is an arithmetic number, because the mean of its divisors is an integer number (57755078077752).

Almost surely, 2^{231020312311002} is an apocalyptic number.

231020312311002 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.

231020312311002 is a wasteful number, since it uses less digits than its factorization.

231020312311002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38503385385172.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 231020312311002 its reverse (200113213020132), we get a palindrome (431133525331134).

The spelling of 231020312311002 in words is "two hundred thirty-one trillion, twenty billion, three hundred twelve million, three hundred eleven thousand, two".