103306247 has 4 divisors (see below), whose sum is σ = 112697736. Its totient is φ = 93914760.

The previous prime is 103306241. The next prime is 103306277. The reversal of 103306247 is 742603301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 742603301 = 11 ⋅67509391.

It is a cyclic number.

It is not a de Polignac number, because 103306247 - 2¹² = 103302151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103306241) 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, 4695728 + ... + 4695749.

It is an arithmetic number, because the mean of its divisors is an integer number (28174434).

Almost surely, 2^103306247 is an apocalyptic number.

103306247 is a deficient number, since it is larger than the sum of its proper divisors (9391489).

103306247 is an equidigital number, since it uses as much as digits as its factorization.

103306247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9391488.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 103306247 is about 10163.9680735429. The cubic root of 103306247 is about 469.2189335826.

Adding to 103306247 its reverse (742603301), we get a palindrome (845909548).

The spelling of 103306247 in words is "one hundred three million, three hundred six thousand, two hundred forty-seven".