102321313019 has 2 divisors, whose sum is σ = 102321313020. Its totient is φ = 102321313018.

The previous prime is 102321313001. The next prime is 102321313033. The reversal of 102321313019 is 910313123201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102321313019 - 2⁸ = 102321312763 is a prime.

It is a super-2 number, since 2×102321313019² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (102321313099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51160656509 + 51160656510.

It is an arithmetic number, because the mean of its divisors is an integer number (51160656510).

Almost surely, 2^102321313019 is an apocalyptic number.

102321313019 is a deficient number, since it is larger than the sum of its proper divisors (1).

102321313019 is an equidigital number, since it uses as much as digits as its factorization.

102321313019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 102321313019 in words is "one hundred two billion, three hundred twenty-one million, three hundred thirteen thousand, nineteen".