103440011 has 4 divisors (see below), whose sum is σ = 103462752. Its totient is φ = 103417272.

The previous prime is 103439989. The next prime is 103440017. The reversal of 103440011 is 110044301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110044301 = 443 ⋅248407.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103440011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103440017) 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, 1940 + ... + 14513.

It is an arithmetic number, because the mean of its divisors is an integer number (25865688).

Almost surely, 2^103440011 is an apocalyptic number.

103440011 is a deficient number, since it is larger than the sum of its proper divisors (22741).

103440011 is an equidigital number, since it uses as much as digits as its factorization.

103440011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22740.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 103440011 is about 10170.5462488502. The cubic root of 103440011 is about 469.4213657778.

Adding to 103440011 its reverse (110044301), we get a palindrome (213484312).

The spelling of 103440011 in words is "one hundred three million, four hundred forty thousand, eleven".