11330143431 has 4 divisors (see below), whose sum is σ = 15106857912. Its totient is φ = 7553428952.

The previous prime is 11330143427. The next prime is 11330143453. The reversal of 11330143431 is 13434103311.

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 11330143431 - 2² = 11330143427 is a prime.

It is a super-2 number, since 2×11330143431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11330143421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1888357236 + ... + 1888357241.

It is an arithmetic number, because the mean of its divisors is an integer number (3776714478).

Almost surely, 2^11330143431 is an apocalyptic number.

11330143431 is a deficient number, since it is larger than the sum of its proper divisors (3776714481).

11330143431 is an equidigital number, since it uses as much as digits as its factorization.

11330143431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776714480.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 11330143431 its reverse (13434103311), we get a palindrome (24764246742).

The spelling of 11330143431 in words is "eleven billion, three hundred thirty million, one hundred forty-three thousand, four hundred thirty-one".