320300131 has 4 divisors (see below), whose sum is σ = 320371264. Its totient is φ = 320229000.

The previous prime is 320300087. The next prime is 320300171. The reversal of 320300131 is 131003023.

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

It is a cyclic number.

It is not a de Polignac number, because 320300131 - 2⁷ = 320300003 is a prime.

It is a super-2 number, since 2×320300131² = 205184347837234322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320300171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28320 + ... + 37981.

It is an arithmetic number, because the mean of its divisors is an integer number (80092816).

Almost surely, 2^320300131 is an apocalyptic number.

320300131 is a deficient number, since it is larger than the sum of its proper divisors (71133).

320300131 is an equidigital number, since it uses as much as digits as its factorization.

320300131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71132.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 320300131 is about 17896.9307703863. The cubic root of 320300131 is about 684.2041521807.

Adding to 320300131 its reverse (131003023), we get a palindrome (451303154).

The spelling of 320300131 in words is "three hundred twenty million, three hundred thousand, one hundred thirty-one".