231130313333212 has 6 divisors (see below), whose sum is σ = 404478048333128. Its totient is φ = 115565156666604.

The previous prime is 231130313333207. The next prime is 231130313333263. The reversal of 231130313333212 is 212333313031132.

It is a happy number.

It is a congruent 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 as a sum of consecutive naturals, namely, 28891289166648 + ... + 28891289166655.

Almost surely, 2^{231130313333212} is an apocalyptic number.

It is an amenable number.

231130313333212 is a deficient number, since it is larger than the sum of its proper divisors (173347734999916).

231130313333212 is a wasteful number, since it uses less digits than its factorization.

231130313333212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57782578333307 (or 57782578333305 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 231130313333212 its reverse (212333313031132), we get a palindrome (443463626364344).

The spelling of 231130313333212 in words is "two hundred thirty-one trillion, one hundred thirty billion, three hundred thirteen million, three hundred thirty-three thousand, two hundred twelve".