11032143431 has 4 divisors (see below), whose sum is σ = 11412562200. Its totient is φ = 10651724664.

The previous prime is 11032143427. The next prime is 11032143433. The reversal of 11032143431 is 13434123011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13434123011 = 65027 ⋅206593.

It is a cyclic number.

It is not a de Polignac number, because 11032143431 - 2² = 11032143427 is a prime.

It is a super-2 number, since 2×11032143431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11032143397 and 11032143406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032143433) 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, 190209341 + ... + 190209398.

It is an arithmetic number, because the mean of its divisors is an integer number (2853140550).

Almost surely, 2^11032143431 is an apocalyptic number.

11032143431 is a deficient number, since it is larger than the sum of its proper divisors (380418769).

11032143431 is an equidigital number, since it uses as much as digits as its factorization.

11032143431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380418768.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 11032143431 its reverse (13434123011), we get a palindrome (24466266442).

The spelling of 11032143431 in words is "eleven billion, thirty-two million, one hundred forty-three thousand, four hundred thirty-one".