103530313 has 2 divisors, whose sum is σ = 103530314. Its totient is φ = 103530312.

The previous prime is 103530269. The next prime is 103530341. The reversal of 103530313 is 313035301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91336249 + 12194064 = 9557^2 + 3492^2 .

It is an emirp because it is prime and its reverse (313035301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103530313 - 2²¹ = 101433161 is a prime.

It is not a weakly prime, because it can be changed into another prime (103530113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51765156 + 51765157.

It is an arithmetic number, because the mean of its divisors is an integer number (51765157).

Almost surely, 2^103530313 is an apocalyptic number.

It is an amenable number.

103530313 is a deficient number, since it is larger than the sum of its proper divisors (1).

103530313 is an equidigital number, since it uses as much as digits as its factorization.

103530313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405, while the sum is 19.

The square root of 103530313 is about 10174.9846682931. The cubic root of 103530313 is about 469.5579259557.

Adding to 103530313 its reverse (313035301), we get a palindrome (416565614).

The spelling of 103530313 in words is "one hundred three million, five hundred thirty thousand, three hundred thirteen".