231421124133 has 12 divisors (see below), whose sum is σ = 334279664160. Its totient is φ = 154278576936.

The previous prime is 231421124093. The next prime is 231421124141. The reversal of 231421124133 is 331421124132.

231421124133 is a `hidden beast` number, since 2 + 31 + 4 + 211 + 2 + 413 + 3 = 666.

231421124133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231421124133 - 2⁹ = 231421123621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231421124097 and 231421124106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231421124153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 740488 + ... + 1005566.

It is an arithmetic number, because the mean of its divisors is an integer number (27856638680).

Almost surely, 2^231421124133 is an apocalyptic number.

It is an amenable number.

231421124133 is a deficient number, since it is larger than the sum of its proper divisors (102858540027).

231421124133 is a wasteful number, since it uses less digits than its factorization.

231421124133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362088 (or 362085 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 231421124133 its reverse (331421124132), we get a palindrome (562842248265).

Subtracting 231421124133 from its reverse (331421124132), we obtain a palindrome (99999999999).

The spelling of 231421124133 in words is "two hundred thirty-one billion, four hundred twenty-one million, one hundred twenty-four thousand, one hundred thirty-three".