320131545113 has 8 divisors (see below), whose sum is σ = 345569284800. Its totient is φ = 295653720208.

The previous prime is 320131545037. The next prime is 320131545157. The reversal of 320131545113 is 311545131023.

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 320131545113 - 2⁸ = 320131544857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320131545413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239978003 + ... + 239979336.

It is an arithmetic number, because the mean of its divisors is an integer number (43196160600).

Almost surely, 2^320131545113 is an apocalyptic number.

It is an amenable number.

320131545113 is a deficient number, since it is larger than the sum of its proper divisors (25437739687).

320131545113 is a wasteful number, since it uses less digits than its factorization.

320131545113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479957391.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 320131545113 its reverse (311545131023), we get a palindrome (631676676136).

The spelling of 320131545113 in words is "three hundred twenty billion, one hundred thirty-one million, five hundred forty-five thousand, one hundred thirteen".