1133231403 has 8 divisors (see below), whose sum is σ = 1511357328. Its totient is φ = 755296544.

The previous prime is 1133231389. The next prime is 1133231423. The reversal of 1133231403 is 3041323311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133231403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1133231403.

It is not an unprimeable number, because it can be changed into a prime (1133231423) 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 7 ways as a sum of consecutive naturals, for example, 33300 + ... + 58097.

It is an arithmetic number, because the mean of its divisors is an integer number (188919666).

Almost surely, 2^1133231403 is an apocalyptic number.

1133231403 is a deficient number, since it is larger than the sum of its proper divisors (378125925).

1133231403 is an equidigital number, since it uses as much as digits as its factorization.

1133231403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95533.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1133231403 is about 33663.5025361295. The cubic root of 1133231403 is about 1042.5723437768.

Adding to 1133231403 its reverse (3041323311), we get a palindrome (4174554714).

The spelling of 1133231403 in words is "one billion, one hundred thirty-three million, two hundred thirty-one thousand, four hundred three".