40103313 has 8 divisors (see below), whose sum is σ = 53546400. Its totient is φ = 26697888.

The previous prime is 40103309. The next prime is 40103321. The reversal of 40103313 is 31330104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40103313 - 2² = 40103309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40103292 and 40103301.

It is not an unprimeable number, because it can be changed into a prime (40103383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6828 + ... + 11261.

It is an arithmetic number, because the mean of its divisors is an integer number (6693300).

Almost surely, 2^40103313 is an apocalyptic number.

It is an amenable number.

40103313 is a deficient number, since it is larger than the sum of its proper divisors (13443087).

40103313 is a wasteful number, since it uses less digits than its factorization.

40103313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18831.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 40103313 is about 6332.7176630575. The cubic root of 40103313 is about 342.2893741129.

Adding to 40103313 its reverse (31330104), we get a palindrome (71433417).

The spelling of 40103313 in words is "forty million, one hundred three thousand, three hundred thirteen".