105432455231 has 4 divisors (see below), whose sum is σ = 105481701864. Its totient is φ = 105383208600.

The previous prime is 105432455137. The next prime is 105432455291. The reversal of 105432455231 is 132554234501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105432455231 is a prime.

It is a super-2 number, since 2×105432455231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105432455191 and 105432455200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105432455291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24620105 + ... + 24624386.

It is an arithmetic number, because the mean of its divisors is an integer number (26370425466).

Almost surely, 2^105432455231 is an apocalyptic number.

105432455231 is a deficient number, since it is larger than the sum of its proper divisors (49246633).

105432455231 is an equidigital number, since it uses as much as digits as its factorization.

105432455231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49246632.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 105432455231 its reverse (132554234501), we get a palindrome (237986689732).

The spelling of 105432455231 in words is "one hundred five billion, four hundred thirty-two million, four hundred fifty-five thousand, two hundred thirty-one".