321713011 has 2 divisors, whose sum is σ = 321713012. Its totient is φ = 321713010.

The previous prime is 321712991. The next prime is 321713023. The reversal of 321713011 is 110317123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321713011 - 2⁹ = 321712499 is a prime.

It is a super-2 number, since 2×321713011² = 206998522893372242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321713011.

It is not a weakly prime, because it can be changed into another prime (321713081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160856505 + 160856506.

It is an arithmetic number, because the mean of its divisors is an integer number (160856506).

Almost surely, 2^321713011 is an apocalyptic number.

321713011 is a deficient number, since it is larger than the sum of its proper divisors (1).

321713011 is an equidigital number, since it uses as much as digits as its factorization.

321713011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 321713011 is about 17936.3600264937. The cubic root of 321713011 is about 685.2087104445.

The spelling of 321713011 in words is "three hundred twenty-one million, seven hundred thirteen thousand, eleven".