103320312253 has 2 divisors, whose sum is σ = 103320312254. Its totient is φ = 103320312252.

The previous prime is 103320312131. The next prime is 103320312307. The reversal of 103320312253 is 352213023301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99677224089 + 3643088164 = 315717^2 + 60358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103320312253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103320312353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51660156126 + 51660156127.

It is an arithmetic number, because the mean of its divisors is an integer number (51660156127).

Almost surely, 2^103320312253 is an apocalyptic number.

It is an amenable number.

103320312253 is a deficient number, since it is larger than the sum of its proper divisors (1).

103320312253 is an equidigital number, since it uses as much as digits as its factorization.

103320312253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 103320312253 its reverse (352213023301), we get a palindrome (455533335554).

The spelling of 103320312253 in words is "one hundred three billion, three hundred twenty million, three hundred twelve thousand, two hundred fifty-three".