231032142210105 has 24 divisors (see below), whose sum is σ = 400499705493888. Its totient is φ = 123203606410656.

The previous prime is 231032142210101. The next prime is 231032142210139. The reversal of 231032142210105 is 501012241230132.

It is a happy number.

231032142210105 is a `hidden beast` number, since 2 + 3 + 10 + 321 + 4 + 221 + 0 + 105 = 666.

It is not a de Polignac number, because 231032142210105 - 2² = 231032142210101 is a prime.

It is a super-2 number, since 2×231032142210105² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231032142210101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281587927 + ... + 282407196.

It is an arithmetic number, because the mean of its divisors is an integer number (16687487728912).

Almost surely, 2^{231032142210105} is an apocalyptic number.

It is an amenable number.

231032142210105 is a deficient number, since it is larger than the sum of its proper divisors (169467563283783).

231032142210105 is a wasteful number, since it uses less digits than its factorization.

231032142210105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564004237 (or 564004234 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 231032142210105 its reverse (501012241230132), we get a palindrome (732044383440237).

The spelling of 231032142210105 in words is "two hundred thirty-one trillion, thirty-two billion, one hundred forty-two million, two hundred ten thousand, one hundred five".