231321212232002 has 16 divisors (see below), whose sum is σ = 347029649384832. Its totient is φ = 115644663056880.

The previous prime is 231321212231987. The next prime is 231321212232073. The reversal of 231321212232002 is 200232212123132.

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, 935100743 + ... + 935348085.

It is an arithmetic number, because the mean of its divisors is an integer number (21689353086552).

Almost surely, 2^{231321212232002} is an apocalyptic number.

231321212232002 is a deficient number, since it is larger than the sum of its proper divisors (115708437152830).

231321212232002 is a wasteful number, since it uses less digits than its factorization.

231321212232002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309913.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 231321212232002 its reverse (200232212123132), we get a palindrome (431553424355134).

The spelling of 231321212232002 in words is "two hundred thirty-one trillion, three hundred twenty-one billion, two hundred twelve million, two hundred thirty-two thousand, two".