103321332509 has 2 divisors, whose sum is σ = 103321332510. Its totient is φ = 103321332508.

The previous prime is 103321332461. The next prime is 103321332523. The reversal of 103321332509 is 905233123301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103296031609 + 25300900 = 321397^2 + 5030^2 .

It is a cyclic number.

It is not a de Polignac number, because 103321332509 - 2²⁰ = 103320283933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103321332209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51660666254 + 51660666255.

It is an arithmetic number, because the mean of its divisors is an integer number (51660666255).

Almost surely, 2^103321332509 is an apocalyptic number.

It is an amenable number.

103321332509 is a deficient number, since it is larger than the sum of its proper divisors (1).

103321332509 is an equidigital number, since it uses as much as digits as its factorization.

103321332509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 32.

The spelling of 103321332509 in words is "one hundred three billion, three hundred twenty-one million, three hundred thirty-two thousand, five hundred nine".