113103013 has 2 divisors, whose sum is σ = 113103014. Its totient is φ = 113103012.

The previous prime is 113102971. The next prime is 113103037. The reversal of 113103013 is 310301311.

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., 78269409 + 34833604 = 8847^2 + 5902^2 .

It is a cyclic number.

It is not a de Polignac number, because 113103013 - 2⁹ = 113102501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113102984 and 113103002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113101013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56551506 + 56551507.

It is an arithmetic number, because the mean of its divisors is an integer number (56551507).

Almost surely, 2^113103013 is an apocalyptic number.

It is an amenable number.

113103013 is a deficient number, since it is larger than the sum of its proper divisors (1).

113103013 is an equidigital number, since it uses as much as digits as its factorization.

113103013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 113103013 is about 10634.9900329055. The cubic root of 113103013 is about 483.6056782471.

Adding to 113103013 its reverse (310301311), we get a palindrome (423404324).

It can be divided in two parts, 11 and 3103013, that multiplied together give a palindrome (34133143).

The spelling of 113103013 in words is "one hundred thirteen million, one hundred three thousand, thirteen".