105203241331 has 4 divisors (see below), whose sum is σ = 105209687032. Its totient is φ = 105196795632.

The previous prime is 105203241323. The next prime is 105203241347. The reversal of 105203241331 is 133142302501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 105203241331 - 2³ = 105203241323 is a prime.

It is a super-2 number, since 2×105203241331² (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 = 105203241296 and 105203241305.

It is not an unprimeable number, because it can be changed into a prime (105203241431) 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 3 ways as a sum of consecutive naturals, for example, 3198306 + ... + 3231031.

It is an arithmetic number, because the mean of its divisors is an integer number (26302421758).

Almost surely, 2^105203241331 is an apocalyptic number.

105203241331 is a deficient number, since it is larger than the sum of its proper divisors (6445701).

105203241331 is an equidigital number, since it uses as much as digits as its factorization.

105203241331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6445700.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 105203241331 its reverse (133142302501), we get a palindrome (238345543832).

The spelling of 105203241331 in words is "one hundred five billion, two hundred three million, two hundred forty-one thousand, three hundred thirty-one".