103400013 has 4 divisors (see below), whose sum is σ = 137866688. Its totient is φ = 68933340.

The previous prime is 103400009. The next prime is 103400027. The reversal of 103400013 is 310004301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310004301 = 3 ⋅103334767.

It is not a de Polignac number, because 103400013 - 2² = 103400009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103400113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17233333 + ... + 17233338.

It is an arithmetic number, because the mean of its divisors is an integer number (34466672).

Almost surely, 2^103400013 is an apocalyptic number.

It is an amenable number.

103400013 is a deficient number, since it is larger than the sum of its proper divisors (34466675).

103400013 is an equidigital number, since it uses as much as digits as its factorization.

103400013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34466674.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 103400013 is about 10168.5796943329. The cubic root of 103400013 is about 469.3608529704.

Adding to 103400013 its reverse (310004301), we get a palindrome (413404314).

The spelling of 103400013 in words is "one hundred three million, four hundred thousand, thirteen".