103506313 has 4 divisors (see below), whose sum is σ = 103880260. Its totient is φ = 103132368.

The previous prime is 103506269. The next prime is 103506323. The reversal of 103506313 is 313605301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16867449 + 86638864 = 4107^2 + 9308^2 .

It is a cyclic number.

It is not a de Polignac number, because 103506313 - 2¹⁷ = 103375241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103506323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186558 + ... + 187111.

It is an arithmetic number, because the mean of its divisors is an integer number (25970065).

Almost surely, 2^103506313 is an apocalyptic number.

It is an amenable number.

103506313 is a deficient number, since it is larger than the sum of its proper divisors (373947).

103506313 is an equidigital number, since it uses as much as digits as its factorization.

103506313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373946.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 103506313 is about 10173.8052369799. The cubic root of 103506313 is about 469.5216394459.

The spelling of 103506313 in words is "one hundred three million, five hundred six thousand, three hundred thirteen".