105231103425 has 60 divisors (see below), whose sum is σ = 222770749696. Its totient is φ = 48105640800.

The previous prime is 105231103391. The next prime is 105231103427. The reversal of 105231103425 is 524301132501.

105231103425 is a `hidden beast` number, since 1 + 0 + 5 + 2 + 311 + 0 + 342 + 5 = 666.

It is not a de Polignac number, because 105231103425 - 2¹⁰ = 105231102401 is a prime.

It is a super-2 number, since 2×105231103425² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105231103427) 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 59 ways as a sum of consecutive naturals, for example, 3697681 + ... + 3726030.

Almost surely, 2^105231103425 is an apocalyptic number.

105231103425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105231103425 is an abundant number, since it is smaller than the sum of its proper divisors (117539646271).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105231103425 is an equidigital number, since it uses as much as digits as its factorization.

105231103425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7423740 (or 7423726 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 105231103425 its reverse (524301132501), we get a palindrome (629532235926).

The spelling of 105231103425 in words is "one hundred five billion, two hundred thirty-one million, one hundred three thousand, four hundred twenty-five".