172104330113 has 4 divisors (see below), whose sum is σ = 172176614868. Its totient is φ = 172032045360.

The previous prime is 172104330053. The next prime is 172104330127. The reversal of 172104330113 is 311033401271.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28870087744 + 143234242369 = 169912^2 + 378463^2 .

It is a cyclic number.

It is not a de Polignac number, because 172104330113 - 2⁶ = 172104330049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172104330143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36138806 + ... + 36143567.

It is an arithmetic number, because the mean of its divisors is an integer number (43044153717).

Almost surely, 2^172104330113 is an apocalyptic number.

It is an amenable number.

172104330113 is a deficient number, since it is larger than the sum of its proper divisors (72284755).

172104330113 is an equidigital number, since it uses as much as digits as its factorization.

172104330113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72284754.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 172104330113 its reverse (311033401271), we get a palindrome (483137731384).

The spelling of 172104330113 in words is "one hundred seventy-two billion, one hundred four million, three hundred thirty thousand, one hundred thirteen".