320431140314331 has 8 divisors (see below), whose sum is σ = 449727916230720. Its totient is φ = 202377562303752.

The previous prime is 320431140314209. The next prime is 320431140314381. The reversal of 320431140314331 is 133413041134023.

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

It is not a de Polignac number, because 320431140314331 - 2⁹ = 320431140313819 is a prime.

It is a super-2 number, since 2×320431140314331² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320431140314292 and 320431140314301.

It is not an unprimeable number, because it can be changed into a prime (320431140314381) 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, 2810799476385 + ... + 2810799476498.

It is an arithmetic number, because the mean of its divisors is an integer number (56215989528840).

Almost surely, 2^{320431140314331} is an apocalyptic number.

320431140314331 is a deficient number, since it is larger than the sum of its proper divisors (129296775916389).

320431140314331 is a wasteful number, since it uses less digits than its factorization.

320431140314331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5621598952905.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 320431140314331 its reverse (133413041134023), we get a palindrome (453844181448354).

The spelling of 320431140314331 in words is "three hundred twenty trillion, four hundred thirty-one billion, one hundred forty million, three hundred fourteen thousand, three hundred thirty-one".