302321020019 has 2 divisors, whose sum is σ = 302321020020. Its totient is φ = 302321020018.

The previous prime is 302321020007. The next prime is 302321020033. The reversal of 302321020019 is 910020123203.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302321020019 is a prime.

It is a super-2 number, since 2×302321020019² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 302321019976 and 302321020003.

It is not a weakly prime, because it can be changed into another prime (302321020819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151160510009 + 151160510010.

It is an arithmetic number, because the mean of its divisors is an integer number (151160510010).

Almost surely, 2^302321020019 is an apocalyptic number.

302321020019 is a deficient number, since it is larger than the sum of its proper divisors (1).

302321020019 is an equidigital number, since it uses as much as digits as its factorization.

302321020019 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 23.

The spelling of 302321020019 in words is "three hundred two billion, three hundred twenty-one million, twenty thousand, nineteen".