10203113 has 2 divisors, whose sum is σ = 10203114. Its totient is φ = 10203112.

The previous prime is 10203103. The next prime is 10203119. The reversal of 10203113 is 31130201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8743849 + 1459264 = 2957^2 + 1208^2 .

It is a cyclic number.

It is not a de Polignac number, because 10203113 - 2⁴ = 10203097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10203094 and 10203103.

It is not a weakly prime, because it can be changed into another prime (10203119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101556 + 5101557.

It is an arithmetic number, because the mean of its divisors is an integer number (5101557).

Almost surely, 2^10203113 is an apocalyptic number.

It is an amenable number.

10203113 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203113 is an equidigital number, since it uses as much as digits as its factorization.

10203113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 10203113 is about 3194.2312064095. The cubic root of 10203113 is about 216.8923489348.

Adding to 10203113 its reverse (31130201), we get a palindrome (41333314).

The spelling of 10203113 in words is "ten million, two hundred three thousand, one hundred thirteen".