80310913 has 2 divisors, whose sum is σ = 80310914. Its totient is φ = 80310912.

The previous prime is 80310829. The next prime is 80310943. The reversal of 80310913 is 31901308.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70274689 + 10036224 = 8383^2 + 3168^2 .

It is a cyclic number.

It is not a de Polignac number, because 80310913 - 2⁹ = 80310401 is a prime.

It is not a weakly prime, because it can be changed into another prime (80310943) 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, 40155456 + 40155457.

It is an arithmetic number, because the mean of its divisors is an integer number (40155457).

Almost surely, 2^80310913 is an apocalyptic number.

It is an amenable number.

80310913 is a deficient number, since it is larger than the sum of its proper divisors (1).

80310913 is an equidigital number, since it uses as much as digits as its factorization.

80310913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 80310913 is about 8961.6356208005. The cubic root of 80310913 is about 431.4444178906. Note that the first 4 decimals are identical.

The spelling of 80310913 in words is "eighty million, three hundred ten thousand, nine hundred thirteen".