231211212322033 has 8 divisors (see below), whose sum is σ = 236852478809856. Its totient is φ = 225570039578400.

The previous prime is 231211212321989. The next prime is 231211212322037. The reversal of 231211212322033 is 330223212112132.

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

It is a de Polignac number, because none of the positive numbers 2^k-231211212322033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231211212321992 and 231211212322010.

It is not an unprimeable number, because it can be changed into a prime (231211212322037) by changing a digit.

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, 18430173 + ... + 28321258.

It is an arithmetic number, because the mean of its divisors is an integer number (29606559851232).

Almost surely, 2^{231211212322033} is an apocalyptic number.

It is an amenable number.

231211212322033 is a deficient number, since it is larger than the sum of its proper divisors (5641266487823).

231211212322033 is a wasteful number, since it uses less digits than its factorization.

231211212322033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46872095.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 231211212322033 its reverse (330223212112132), we get a palindrome (561434424434165).

The spelling of 231211212322033 in words is "two hundred thirty-one trillion, two hundred eleven billion, two hundred twelve million, three hundred twenty-two thousand, thirty-three".