1103111331 has 8 divisors (see below), whose sum is σ = 1680931584. Its totient is φ = 630349320.

The previous prime is 1103111299. The next prime is 1103111363. The reversal of 1103111331 is 1331113011.

It is an interprime number because it is at equal distance from previous prime (1103111299) and next prime (1103111363).

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

It is not a de Polignac number, because 1103111331 - 2⁵ = 1103111299 is a prime.

It is a super-2 number, since 2×1103111331² = 2433709217161183122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1103111331.

It is not an unprimeable number, because it can be changed into a prime (1103111381) 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, 26264535 + ... + 26264576.

It is an arithmetic number, because the mean of its divisors is an integer number (210116448).

Almost surely, 2^1103111331 is an apocalyptic number.

1103111331 is a deficient number, since it is larger than the sum of its proper divisors (577820253).

1103111331 is an equidigital number, since it uses as much as digits as its factorization.

1103111331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52529121.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 1103111331 is about 33213.1198624881. The cubic root of 1103111331 is about 1033.2524614359.

Adding to 1103111331 its reverse (1331113011), we get a palindrome (2434224342).

The spelling of 1103111331 in words is "one billion, one hundred three million, one hundred eleven thousand, three hundred thirty-one".