1103201031 has 4 divisors (see below), whose sum is σ = 1470934712. Its totient is φ = 735467352.

The previous prime is 1103200993. The next prime is 1103201041. The reversal of 1103201031 is 1301023011.

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

It is not a de Polignac number, because 1103201031 - 2¹¹ = 1103198983 is a prime.

It is a super-2 number, since 2×1103201031² = 2434105029598925922, 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 = 1103200998 and 1103201016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103201041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183866836 + ... + 183866841.

It is an arithmetic number, because the mean of its divisors is an integer number (367733678).

Almost surely, 2^1103201031 is an apocalyptic number.

1103201031 is a deficient number, since it is larger than the sum of its proper divisors (367733681).

1103201031 is an equidigital number, since it uses as much as digits as its factorization.

1103201031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367733680.

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

The square root of 1103201031 is about 33214.4702050176. The cubic root of 1103201031 is about 1033.2804671416.

Adding to 1103201031 its reverse (1301023011), we get a palindrome (2404224042).

The spelling of 1103201031 in words is "one billion, one hundred three million, two hundred one thousand, thirty-one".