1103203231 has 8 divisors (see below), whose sum is σ = 1226390144. Its totient is φ = 985491360.

The previous prime is 1103203201. The next prime is 1103203237. The reversal of 1103203231 is 1323023011.

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

It is a cyclic number.

It is not a de Polignac number, because 1103203231 - 2¹⁵ = 1103170463 is a prime.

It is a super-2 number, since 2×1103203231² = 2434114737777678722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103203237) 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, 1368336 + ... + 1369141.

It is an arithmetic number, because the mean of its divisors is an integer number (153298768).

Almost surely, 2^1103203231 is an apocalyptic number.

1103203231 is a deficient number, since it is larger than the sum of its proper divisors (123186913).

1103203231 is a wasteful number, since it uses less digits than its factorization.

1103203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2737521.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1103203231 is about 33214.5033230967. The cubic root of 1103203231 is about 1033.2811539960.

Adding to 1103203231 its reverse (1323023011), we get a palindrome (2426226242).

The spelling of 1103203231 in words is "one billion, one hundred three million, two hundred three thousand, two hundred thirty-one".