231302211233012 has 24 divisors (see below), whose sum is σ = 407206000910016. Its totient is φ = 114957650788928.

The previous prime is 231302211232921. The next prime is 231302211233089. The reversal of 231302211233012 is 210332112203132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84906563 + ... + 87588405.

It is an arithmetic number, because the mean of its divisors is an integer number (16966916704584).

Almost surely, 2^{231302211233012} is an apocalyptic number.

It is an amenable number.

231302211233012 is a deficient number, since it is larger than the sum of its proper divisors (175903789677004).

231302211233012 is a wasteful number, since it uses less digits than its factorization.

231302211233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811127 (or 2811125 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 231302211233012 its reverse (210332112203132), we get a palindrome (441634323436144).

The spelling of 231302211233012 in words is "two hundred thirty-one trillion, three hundred two billion, two hundred eleven million, two hundred thirty-three thousand, twelve".