320431140314203 has 4 divisors (see below), whose sum is σ = 331480489980240. Its totient is φ = 309381790648168.

The previous prime is 320431140314147. The next prime is 320431140314209. The reversal of 320431140314203 is 302413041134023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320431140314203 is a prime.

It is a super-2 number, since 2×320431140314203² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320431140314209) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5524674832975 + ... + 5524674833032.

It is an arithmetic number, because the mean of its divisors is an integer number (82870122495060).

Almost surely, 2^{320431140314203} is an apocalyptic number.

320431140314203 is a deficient number, since it is larger than the sum of its proper divisors (11049349666037).

320431140314203 is a wasteful number, since it uses less digits than its factorization.

320431140314203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11049349666036.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 320431140314203 its reverse (302413041134023), we get a palindrome (622844181448226).

The spelling of 320431140314203 in words is "three hundred twenty trillion, four hundred thirty-one billion, one hundred forty million, three hundred fourteen thousand, two hundred three".