103319857 has 2 divisors, whose sum is σ = 103319858. Its totient is φ = 103319856.

The previous prime is 103319809. The next prime is 103319861. The reversal of 103319857 is 758913301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90041121 + 13278736 = 9489^2 + 3644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103319857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103319357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51659928 + 51659929.

It is an arithmetic number, because the mean of its divisors is an integer number (51659929).

Almost surely, 2^103319857 is an apocalyptic number.

It is an amenable number.

103319857 is a deficient number, since it is larger than the sum of its proper divisors (1).

103319857 is an equidigital number, since it uses as much as digits as its factorization.

103319857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 103319857 is about 10164.6375734701. The cubic root of 103319857 is about 469.2395383039.

The spelling of 103319857 in words is "one hundred three million, three hundred nineteen thousand, eight hundred fifty-seven".