313238154172 has 24 divisors (see below), whose sum is σ = 549234751520. Its totient is φ = 156314188800.

The previous prime is 313238154157. The next prime is 313238154181. The reversal of 313238154172 is 271451832313.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5207404 + ... + 5267212.

Almost surely, 2^313238154172 is an apocalyptic number.

It is an amenable number.

313238154172 is a deficient number, since it is larger than the sum of its proper divisors (235996597348).

313238154172 is a wasteful number, since it uses less digits than its factorization.

313238154172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62341 (or 62339 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

Adding to 313238154172 its reverse (271451832313), we get a palindrome (584689986485).

The spelling of 313238154172 in words is "three hundred thirteen billion, two hundred thirty-eight million, one hundred fifty-four thousand, one hundred seventy-two".