103320251 has 2 divisors, whose sum is σ = 103320252. Its totient is φ = 103320250.

The previous prime is 103320223. The next prime is 103320253. The reversal of 103320251 is 152023301.

It is a strong prime.

It is an emirp because it is prime and its reverse (152023301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103320251 - 2²⁶ = 36211387 is a prime.

It is a Sophie Germain prime.

Together with 103320253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103320253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51660125 + 51660126.

It is an arithmetic number, because the mean of its divisors is an integer number (51660126).

Almost surely, 2^103320251 is an apocalyptic number.

103320251 is a deficient number, since it is larger than the sum of its proper divisors (1).

103320251 is an equidigital number, since it uses as much as digits as its factorization.

103320251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 103320251 is about 10164.6569543689. The cubic root of 103320251 is about 469.2401347692.

Adding to 103320251 its reverse (152023301), we get a palindrome (255343552).

The spelling of 103320251 in words is "one hundred three million, three hundred twenty thousand, two hundred fifty-one".