321010000019 has 2 divisors, whose sum is σ = 321010000020. Its totient is φ = 321010000018.

The previous prime is 321009999967. The next prime is 321010000027. The reversal of 321010000019 is 910000010123.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321010000019 - 2⁸ = 321009999763 is a prime.

It is a super-2 number, since 2×321010000019² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321009999961 and 321010000006.

It is not a weakly prime, because it can be changed into another prime (321010000099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160505000009 + 160505000010.

It is an arithmetic number, because the mean of its divisors is an integer number (160505000010).

Almost surely, 2^321010000019 is an apocalyptic number.

321010000019 is a deficient number, since it is larger than the sum of its proper divisors (1).

321010000019 is an equidigital number, since it uses as much as digits as its factorization.

321010000019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

The spelling of 321010000019 in words is "three hundred twenty-one billion, ten million, nineteen", and thus it is an aban number.