1103949313 has 8 divisors (see below), whose sum is σ = 1131411456. Its totient is φ = 1076512800.

The previous prime is 1103949307. The next prime is 1103949317. The reversal of 1103949313 is 3139493011.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103949313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103949317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104128 + ... + 114238.

It is an arithmetic number, because the mean of its divisors is an integer number (141426432).

Almost surely, 2^1103949313 is an apocalyptic number.

It is an amenable number.

1103949313 is a deficient number, since it is larger than the sum of its proper divisors (27462143).

1103949313 is a wasteful number, since it uses less digits than its factorization.

1103949313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12815.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 1103949313 is about 33225.7326932003. The cubic root of 1103949313 is about 1033.5140330424.

The spelling of 1103949313 in words is "one billion, one hundred three million, nine hundred forty-nine thousand, three hundred thirteen".