1103431113 has 8 divisors (see below), whose sum is σ = 1634712800. Its totient is φ = 735620724.

The previous prime is 1103431103. The next prime is 1103431117. The reversal of 1103431113 is 3111343011.

It is not a de Polignac number, because 1103431113 - 2¹³ = 1103422921 is a prime.

It is a super-2 number, since 2×1103431113² = 2435120442272837538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103431117) 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, 20433883 + ... + 20433936.

It is an arithmetic number, because the mean of its divisors is an integer number (204339100).

Almost surely, 2^1103431113 is an apocalyptic number.

It is an amenable number.

1103431113 is a deficient number, since it is larger than the sum of its proper divisors (531281687).

1103431113 is an equidigital number, since it uses as much as digits as its factorization.

1103431113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40867828 (or 40867822 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1103431113 is about 33217.9336052079. The cubic root of 1103431113 is about 1033.3522953047.

Adding to 1103431113 its reverse (3111343011), we get a palindrome (4214774124).

The spelling of 1103431113 in words is "one billion, one hundred three million, four hundred thirty-one thousand, one hundred thirteen".