1133243331 has 16 divisors (see below), whose sum is σ = 1664679168. Its totient is φ = 680012000.

The previous prime is 1133243329. The next prime is 1133243339. The reversal of 1133243331 is 1333423311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1133243331 - 2¹ = 1133243329 is a prime.

It is a super-2 number, since 2×1133243331² = 2568480894511951122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1133243339) 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 15 ways as a sum of consecutive naturals, for example, 166671 + ... + 173336.

It is an arithmetic number, because the mean of its divisors is an integer number (104042448).

Almost surely, 2^1133243331 is an apocalyptic number.

1133243331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1133243331 is a deficient number, since it is larger than the sum of its proper divisors (531435837).

1133243331 is a wasteful number, since it uses less digits than its factorization.

1133243331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340122.

The product of its digits is 1944, while the sum is 24.

The square root of 1133243331 is about 33663.6797008289. The cubic root of 1133243331 is about 1042.5760016821.

Adding to 1133243331 its reverse (1333423311), we get a palindrome (2466666642).

The spelling of 1133243331 in words is "one billion, one hundred thirty-three million, two hundred forty-three thousand, three hundred thirty-one".