1130431033 has 4 divisors (see below), whose sum is σ = 1144050768. Its totient is φ = 1116811300.

The previous prime is 1130430989. The next prime is 1130431037. The reversal of 1130431033 is 3301340311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3301340311 = 613 ⋅5385547.

It is a cyclic number.

It is not a de Polignac number, because 1130431033 - 2²¹ = 1128333881 is a prime.

It is a super-3 number, since 3×1130431033³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1130431033.

It is not an unprimeable number, because it can be changed into a prime (1130431037) 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, 6809743 + ... + 6809908.

It is an arithmetic number, because the mean of its divisors is an integer number (286012692).

Almost surely, 2^1130431033 is an apocalyptic number.

It is an amenable number.

1130431033 is a deficient number, since it is larger than the sum of its proper divisors (13619735).

1130431033 is an equidigital number, since it uses as much as digits as its factorization.

1130431033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13619734.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1130431033 is about 33621.8832458862. The cubic root of 1130431033 is about 1041.7128557339.

Adding to 1130431033 its reverse (3301340311), we get a palindrome (4431771344).

The spelling of 1130431033 in words is "one billion, one hundred thirty million, four hundred thirty-one thousand, thirty-three".