105003431252 has 12 divisors (see below), whose sum is σ = 183804350016. Its totient is φ = 52487902680.

The previous prime is 105003431251. The next prime is 105003431261. The reversal of 105003431252 is 252134300501.

It is a happy number.

105003431252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105003431252² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105003431251) 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, 3436124 + ... + 3466547.

It is an arithmetic number, because the mean of its divisors is an integer number (15317029168).

Almost surely, 2^105003431252 is an apocalyptic number.

It is an amenable number.

105003431252 is a deficient number, since it is larger than the sum of its proper divisors (78800918764).

105003431252 is a wasteful number, since it uses less digits than its factorization.

105003431252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6906478 (or 6906476 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 105003431252 its reverse (252134300501), we get a palindrome (357137731753).

The spelling of 105003431252 in words is "one hundred five billion, three million, four hundred thirty-one thousand, two hundred fifty-two".