232131013121 has 8 divisors (see below), whose sum is σ = 265360139520. Its totient is φ = 198918775008.

The previous prime is 232131013111. The next prime is 232131013151. The reversal of 232131013121 is 121310131232.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 232131013121 - 2⁶ = 232131013057 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 232131013093 and 232131013102.

It is not an unprimeable number, because it can be changed into a prime (232131013111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4192601 + ... + 4247606.

It is an arithmetic number, because the mean of its divisors is an integer number (33170017440).

Almost surely, 2^232131013121 is an apocalyptic number.

It is an amenable number.

232131013121 is a deficient number, since it is larger than the sum of its proper divisors (33229126399).

232131013121 is an equidigital number, since it uses as much as digits as its factorization.

232131013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8444143.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 232131013121 its reverse (121310131232), we get a palindrome (353441144353).

It can be divided in two parts, 2 and 32131013121, that added together give a palindrome (32131013123).

The spelling of 232131013121 in words is "two hundred thirty-two billion, one hundred thirty-one million, thirteen thousand, one hundred twenty-one".