327631480531 has 2 divisors, whose sum is σ = 327631480532. Its totient is φ = 327631480530.

The previous prime is 327631480441. The next prime is 327631480541. The reversal of 327631480531 is 135084136723.

It is a strong prime.

It is an emirp because it is prime and its reverse (135084136723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 327631480531 - 2⁹ = 327631480019 is a prime.

It is a super-2 number, since 2×327631480531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (327631480541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163815740265 + 163815740266.

It is an arithmetic number, because the mean of its divisors is an integer number (163815740266).

Almost surely, 2^327631480531 is an apocalyptic number.

327631480531 is a deficient number, since it is larger than the sum of its proper divisors (1).

327631480531 is an equidigital number, since it uses as much as digits as its factorization.

327631480531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 327631480531 in words is "three hundred twenty-seven billion, six hundred thirty-one million, four hundred eighty thousand, five hundred thirty-one".