103144313 has 2 divisors, whose sum is σ = 103144314. Its totient is φ = 103144312.

The previous prime is 103144309. The next prime is 103144319. The reversal of 103144313 is 313441301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102981904 + 162409 = 10148^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 103144313 - 2² = 103144309 is a prime.

It is not a weakly prime, because it can be changed into another prime (103144319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51572156 + 51572157.

It is an arithmetic number, because the mean of its divisors is an integer number (51572157).

Almost surely, 2^103144313 is an apocalyptic number.

It is an amenable number.

103144313 is a deficient number, since it is larger than the sum of its proper divisors (1).

103144313 is an equidigital number, since it uses as much as digits as its factorization.

103144313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 103144313 is about 10155.9988676644. The cubic root of 103144313 is about 468.9736362690.

Adding to 103144313 its reverse (313441301), we get a palindrome (416585614).

The spelling of 103144313 in words is "one hundred three million, one hundred forty-four thousand, three hundred thirteen".