103042013 has 2 divisors, whose sum is σ = 103042014. Its totient is φ = 103042012.

The previous prime is 103042007. The next prime is 103042021. The reversal of 103042013 is 310240301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94439524 + 8602489 = 9718^2 + 2933^2 .

It is a cyclic number.

It is not a de Polignac number, because 103042013 - 2¹² = 103037917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103042063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51521006 + 51521007.

It is an arithmetic number, because the mean of its divisors is an integer number (51521007).

Almost surely, 2^103042013 is an apocalyptic number.

It is an amenable number.

103042013 is a deficient number, since it is larger than the sum of its proper divisors (1).

103042013 is an equidigital number, since it uses as much as digits as its factorization.

103042013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 103042013 is about 10150.9611860158. The cubic root of 103042013 is about 468.8185400695.

Adding to 103042013 its reverse (310240301), we get a palindrome (413282314).

The spelling of 103042013 in words is "one hundred three million, forty-two thousand, thirteen".