320150531 has 2 divisors, whose sum is σ = 320150532. Its totient is φ = 320150530.

The previous prime is 320150503. The next prime is 320150539. The reversal of 320150531 is 135051023.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 320150531 - 2²² = 315956227 is a prime.

It is a super-2 number, since 2×320150531² = 204992724999163922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (320150539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160075265 + 160075266.

It is an arithmetic number, because the mean of its divisors is an integer number (160075266).

Almost surely, 2^320150531 is an apocalyptic number.

320150531 is a deficient number, since it is larger than the sum of its proper divisors (1).

320150531 is an equidigital number, since it uses as much as digits as its factorization.

320150531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 320150531 is about 17892.7507946654. The cubic root of 320150531 is about 684.0976136865.

The spelling of 320150531 in words is "three hundred twenty million, one hundred fifty thousand, five hundred thirty-one".