231120021102312 has 32 divisors (see below), whose sum is σ = 590093670902400. Its totient is φ = 75400857947904.

The previous prime is 231120021102293. The next prime is 231120021102329. The reversal of 231120021102312 is 213201120021132.

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 7 ways as a sum of consecutive naturals, for example, 102446816737 + ... + 102446818992.

It is an arithmetic number, because the mean of its divisors is an integer number (18440427215700).

Almost surely, 2^{231120021102312} is an apocalyptic number.

It is an amenable number.

231120021102312 is an abundant number, since it is smaller than the sum of its proper divisors (358973649800088).

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

231120021102312 is a wasteful number, since it uses less digits than its factorization.

231120021102312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204893635785 (or 204893635781 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 231120021102312 its reverse (213201120021132), we get a palindrome (444321141123444).

The spelling of 231120021102312 in words is "two hundred thirty-one trillion, one hundred twenty billion, twenty-one million, one hundred two thousand, three hundred twelve".