31233012232121 has 16 divisors (see below), whose sum is σ = 38589049868160. Its totient is φ = 24676681881600.

The previous prime is 31233012232073. The next prime is 31233012232141. The reversal of 31233012232121 is 12123221033213.

It is not a de Polignac number, because 31233012232121 - 2⁶ = 31233012232057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31233012232141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3173436680 + ... + 3173446521.

It is an arithmetic number, because the mean of its divisors is an integer number (2411815616760).

Almost surely, 2^{31233012232121} is an apocalyptic number.

It is an amenable number.

31233012232121 is a deficient number, since it is larger than the sum of its proper divisors (7356037636039).

31233012232121 is a wasteful number, since it uses less digits than its factorization.

31233012232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6346883264.

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

Adding to 31233012232121 its reverse (12123221033213), we get a palindrome (43356233265334).

The spelling of 31233012232121 in words is "thirty-one trillion, two hundred thirty-three billion, twelve million, two hundred thirty-two thousand, one hundred twenty-one".