103120320157 has 2 divisors, whose sum is σ = 103120320158. Its totient is φ = 103120320156.

The previous prime is 103120320137. The next prime is 103120320203. The reversal of 103120320157 is 751023021301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92409312121 + 10711008036 = 303989^2 + 103494^2 .

It is a cyclic number.

It is not a de Polignac number, because 103120320157 - 2⁷ = 103120320029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103120320137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560160078 + 51560160079.

It is an arithmetic number, because the mean of its divisors is an integer number (51560160079).

Almost surely, 2^103120320157 is an apocalyptic number.

It is an amenable number.

103120320157 is a deficient number, since it is larger than the sum of its proper divisors (1).

103120320157 is an equidigital number, since it uses as much as digits as its factorization.

103120320157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

Adding to 103120320157 its reverse (751023021301), we get a palindrome (854143341458).

The spelling of 103120320157 in words is "one hundred three billion, one hundred twenty million, three hundred twenty thousand, one hundred fifty-seven".