320303323131 has 32 divisors (see below), whose sum is σ = 479386356480. Its totient is φ = 188574672000.

The previous prime is 320303323121. The next prime is 320303323159. The reversal of 320303323131 is 131323303023.

It is not a de Polignac number, because 320303323131 - 2¹⁰ = 320303322107 is a prime.

It is a super-2 number, since 2×320303323131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (320303323111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 729961 + ... + 1083258.

It is an arithmetic number, because the mean of its divisors is an integer number (14980823640).

Almost surely, 2^320303323131 is an apocalyptic number.

320303323131 is a deficient number, since it is larger than the sum of its proper divisors (159083033349).

320303323131 is a wasteful number, since it uses less digits than its factorization.

320303323131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813387.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 320303323131 its reverse (131323303023), we get a palindrome (451626626154).

The spelling of 320303323131 in words is "three hundred twenty billion, three hundred three million, three hundred twenty-three thousand, one hundred thirty-one".