320213103431 has 8 divisors (see below), whose sum is σ = 346186693104. Its totient is φ = 294431201280.

The previous prime is 320213103407. The next prime is 320213103571. The reversal of 320213103431 is 134301312023.

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 320213103431 - 2⁶ = 320213103367 is a prime.

It is a super-2 number, since 2×320213103431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320213103397 and 320213103406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320213103631) 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, 47918405 + ... + 47925086.

It is an arithmetic number, because the mean of its divisors is an integer number (43273336638).

Almost surely, 2^320213103431 is an apocalyptic number.

320213103431 is a deficient number, since it is larger than the sum of its proper divisors (25973589673).

320213103431 is a wasteful number, since it uses less digits than its factorization.

320213103431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95843761.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 320213103431 its reverse (134301312023), we get a palindrome (454514415454).

The spelling of 320213103431 in words is "three hundred twenty billion, two hundred thirteen million, one hundred three thousand, four hundred thirty-one".