103106813 has 2 divisors, whose sum is σ = 103106814. Its totient is φ = 103106812.

The previous prime is 103106797. The next prime is 103106821. The reversal of 103106813 is 318601301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100741369 + 2365444 = 10037^2 + 1538^2 .

It is a cyclic number.

It is not a de Polignac number, because 103106813 - 2⁴ = 103106797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103156813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51553406 + 51553407.

It is an arithmetic number, because the mean of its divisors is an integer number (51553407).

Almost surely, 2^103106813 is an apocalyptic number.

It is an amenable number.

103106813 is a deficient number, since it is larger than the sum of its proper divisors (1).

103106813 is an equidigital number, since it uses as much as digits as its factorization.

103106813 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 23.

The square root of 103106813 is about 10154.1525003321. The cubic root of 103106813 is about 468.9167947344.

The spelling of 103106813 in words is "one hundred three million, one hundred six thousand, eight hundred thirteen".