103451321209 has 2 divisors, whose sum is σ = 103451321210. Its totient is φ = 103451321208.

The previous prime is 103451321089. The next prime is 103451321219. The reversal of 103451321209 is 902123154301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58175992809 + 45275328400 = 241197^2 + 212780^2 .

It is a cyclic number.

It is not a de Polignac number, because 103451321209 - 2⁷ = 103451321081 is a prime.

It is not a weakly prime, because it can be changed into another prime (103451321219) 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, 51725660604 + 51725660605.

It is an arithmetic number, because the mean of its divisors is an integer number (51725660605).

Almost surely, 2^103451321209 is an apocalyptic number.

It is an amenable number.

103451321209 is a deficient number, since it is larger than the sum of its proper divisors (1).

103451321209 is an equidigital number, since it uses as much as digits as its factorization.

103451321209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 103451321209 in words is "one hundred three billion, four hundred fifty-one million, three hundred twenty-one thousand, two hundred nine".