1103102031 has 4 divisors (see below), whose sum is σ = 1470802712. Its totient is φ = 735401352.

The previous prime is 1103102027. The next prime is 1103102041. The reversal of 1103102031 is 1302013011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1103102031 - 2² = 1103102027 is a prime.

It is a super-2 number, since 2×1103102031² = 2433668181592649922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103101998 and 1103102016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103102041) 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, 183850336 + ... + 183850341.

It is an arithmetic number, because the mean of its divisors is an integer number (367700678).

Almost surely, 2^1103102031 is an apocalyptic number.

1103102031 is a deficient number, since it is larger than the sum of its proper divisors (367700681).

1103102031 is an equidigital number, since it uses as much as digits as its factorization.

1103102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367700680.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1103102031 is about 33212.9798572787. The cubic root of 1103102031 is about 1033.2495577475.

Adding to 1103102031 its reverse (1302013011), we get a palindrome (2405115042).

The spelling of 1103102031 in words is "one billion, one hundred three million, one hundred two thousand, thirty-one".