173212730313 has 16 divisors (see below), whose sum is σ = 263961354240. Its totient is φ = 98971898256.

The previous prime is 173212730311. The next prime is 173212730399. The reversal of 173212730313 is 313037212371.

It is not a de Polignac number, because 173212730313 - 2¹ = 173212730311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (173212730311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37656 + ... + 589782.

It is an arithmetic number, because the mean of its divisors is an integer number (16497584640).

Almost surely, 2^173212730313 is an apocalyptic number.

It is an amenable number.

173212730313 is a deficient number, since it is larger than the sum of its proper divisors (90748623927).

173212730313 is a wasteful number, since it uses less digits than its factorization.

173212730313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567076.

The product of its (nonzero) digits is 15876, while the sum is 33.

Adding to 173212730313 its reverse (313037212371), we get a palindrome (486249942684).

The spelling of 173212730313 in words is "one hundred seventy-three billion, two hundred twelve million, seven hundred thirty thousand, three hundred thirteen".