231003212011 has 8 divisors (see below), whose sum is σ = 271388389104. Its totient is φ = 193848849120.

The previous prime is 231003211981. The next prime is 231003212047. The reversal of 231003212011 is 110212300132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231003212011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231003212071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807703396 + ... + 807703681.

It is an arithmetic number, because the mean of its divisors is an integer number (33923548638).

Almost surely, 2^231003212011 is an apocalyptic number.

231003212011 is a deficient number, since it is larger than the sum of its proper divisors (40385177093).

231003212011 is a wasteful number, since it uses less digits than its factorization.

231003212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615407101.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 231003212011 its reverse (110212300132), we get a palindrome (341215512143).

The spelling of 231003212011 in words is "two hundred thirty-one billion, three million, two hundred twelve thousand, eleven".