1103400113 has 4 divisors (see below), whose sum is σ = 1168306020. Its totient is φ = 1038494208.

The previous prime is 1103400101. The next prime is 1103400119. The reversal of 1103400113 is 3110043011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 836829184 + 266570929 = 28928^2 + 16327^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103400113 - 2⁶ = 1103400049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1103400119) 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, 32452928 + ... + 32452961.

It is an arithmetic number, because the mean of its divisors is an integer number (292076505).

Almost surely, 2^1103400113 is an apocalyptic number.

It is an amenable number.

1103400113 is a deficient number, since it is larger than the sum of its proper divisors (64905907).

1103400113 is an equidigital number, since it uses as much as digits as its factorization.

1103400113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64905906.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1103400113 is about 33217.4669865118. The cubic root of 1103400113 is about 1033.3426181499.

Adding to 1103400113 its reverse (3110043011), we get a palindrome (4213443124).

The spelling of 1103400113 in words is "one billion, one hundred three million, four hundred thousand, one hundred thirteen".