105310230125 has 8 divisors (see below), whose sum is σ = 131427167352. Its totient is φ = 84248184000.

The previous prime is 105310230121. The next prime is 105310230139. The reversal of 105310230125 is 521032013501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6086089 + 105304144036 = 2467^2 + 324506^2 .

It is not a de Polignac number, because 105310230125 - 2² = 105310230121 is a prime.

It is a super-2 number, since 2×105310230125² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105310230125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105310230121) 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 7 ways as a sum of consecutive naturals, for example, 421240796 + ... + 421241045.

It is an arithmetic number, because the mean of its divisors is an integer number (16428395919).

Almost surely, 2^105310230125 is an apocalyptic number.

It is an amenable number.

105310230125 is a deficient number, since it is larger than the sum of its proper divisors (26116937227).

105310230125 is an frugal number, since it uses more digits than its factorization.

105310230125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842481856 (or 842481846 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 105310230125 its reverse (521032013501), we get a palindrome (626342243626).

The spelling of 105310230125 in words is "one hundred five billion, three hundred ten million, two hundred thirty thousand, one hundred twenty-five".