11352353431 has 4 divisors (see below), whose sum is σ = 11659173832. Its totient is φ = 11045533032.

The previous prime is 11352353407. The next prime is 11352353477. The reversal of 11352353431 is 13435325311.

It is a happy number.

11352353431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13435325311 = 79 ⋅170067409.

It is a cyclic number.

It is not a de Polignac number, because 11352353431 - 2⁹ = 11352352919 is a prime.

It is a super-2 number, since 2×11352353431² (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 = 11352353393 and 11352353402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11352353401) 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 3 ways as a sum of consecutive naturals, for example, 153410145 + ... + 153410218.

It is an arithmetic number, because the mean of its divisors is an integer number (2914793458).

Almost surely, 2^11352353431 is an apocalyptic number.

11352353431 is a deficient number, since it is larger than the sum of its proper divisors (306820401).

11352353431 is an equidigital number, since it uses as much as digits as its factorization.

11352353431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306820400.

The product of its digits is 16200, while the sum is 31.

Adding to 11352353431 its reverse (13435325311), we get a palindrome (24787678742).

The spelling of 11352353431 in words is "eleven billion, three hundred fifty-two million, three hundred fifty-three thousand, four hundred thirty-one".