1133103031 has 4 divisors (see below), whose sum is σ = 1133470600. Its totient is φ = 1132735464.

The previous prime is 1133103029. The next prime is 1133103043. The reversal of 1133103031 is 1303013311.

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

It is a cyclic number.

It is not a de Polignac number, because 1133103031 - 2¹ = 1133103029 is a prime.

It is a super-2 number, since 2×1133103031² = 2567844957722773922, 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 = 1133102996 and 1133103014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133103011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179121 + ... + 185338.

It is an arithmetic number, because the mean of its divisors is an integer number (283367650).

Almost surely, 2^1133103031 is an apocalyptic number.

1133103031 is a deficient number, since it is larger than the sum of its proper divisors (367569).

1133103031 is an equidigital number, since it uses as much as digits as its factorization.

1133103031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367568.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1133103031 is about 33661.5957880787. The cubic root of 1133103031 is about 1042.5329748976.

Adding to 1133103031 its reverse (1303013311), we get a palindrome (2436116342).

The spelling of 1133103031 in words is "one billion, one hundred thirty-three million, one hundred three thousand, thirty-one".