173430403313 has 8 divisors (see below), whose sum is σ = 175389044040. Its totient is φ = 171471984640.

The previous prime is 173430403283. The next prime is 173430403339. The reversal of 173430403313 is 313304034371.

It can be written as a sum of positive squares in 4 ways, for example, as 21628996624 + 151801406689 = 147068^2 + 389617^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 173430403313 - 2⁸ = 173430403057 is a prime.

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 173430403313.

It is not an unprimeable number, because it can be changed into a prime (173430400313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1902881 + ... + 1991937.

It is an arithmetic number, because the mean of its divisors is an integer number (21923630505).

Almost surely, 2^173430403313 is an apocalyptic number.

It is an amenable number.

173430403313 is a deficient number, since it is larger than the sum of its proper divisors (1958640727).

173430403313 is an equidigital number, since it uses as much as digits as its factorization.

173430403313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111027.

The product of its (nonzero) digits is 27216, while the sum is 32.

Adding to 173430403313 its reverse (313304034371), we get a palindrome (486734437684).

The spelling of 173430403313 in words is "one hundred seventy-three billion, four hundred thirty million, four hundred three thousand, three hundred thirteen".