1104431313 has 4 divisors (see below), whose sum is σ = 1472575088. Its totient is φ = 736287540.

The previous prime is 1104431303. The next prime is 1104431329. The reversal of 1104431313 is 3131344011.

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.

It is not a de Polignac number, because 1104431313 - 2⁵ = 1104431281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1104431313.

It is not an unprimeable number, because it can be changed into a prime (1104431303) 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, 184071883 + ... + 184071888.

It is an arithmetic number, because the mean of its divisors is an integer number (368143772).

Almost surely, 2^1104431313 is an apocalyptic number.

It is an amenable number.

1104431313 is a deficient number, since it is larger than the sum of its proper divisors (368143775).

1104431313 is an equidigital number, since it uses as much as digits as its factorization.

1104431313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368143774.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1104431313 is about 33232.9853157973. The cubic root of 1104431313 is about 1033.6644268075.

Adding to 1104431313 its reverse (3131344011), we get a palindrome (4235775324).

The spelling of 1104431313 in words is "one billion, one hundred four million, four hundred thirty-one thousand, three hundred thirteen".