231010222312 has 8 divisors (see below), whose sum is σ = 433144166850. Its totient is φ = 115505111152.

The previous prime is 231010222309. The next prime is 231010222381. The reversal of 231010222312 is 213222010132.

It can be written as a sum of positive squares in only one way, i.e., 228088387396 + 2921834916 = 477586^2 + 54054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 231010222312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14438138887 + ... + 14438138902.

Almost surely, 2^231010222312 is an apocalyptic number.

It is an amenable number.

231010222312 is a deficient number, since it is larger than the sum of its proper divisors (202133944538).

231010222312 is a wasteful number, since it uses less digits than its factorization.

231010222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28876277795 (or 28876277791 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 231010222312 its reverse (213222010132), we get a palindrome (444232232444).

The spelling of 231010222312 in words is "two hundred thirty-one billion, ten million, two hundred twenty-two thousand, three hundred twelve".