11343203525431 has 4 divisors (see below), whose sum is σ = 11557226233512. Its totient is φ = 11129180817352.

The previous prime is 11343203525393. The next prime is 11343203525447. The reversal of 11343203525431 is 13452530234311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11343203525431 is a prime.

It is a super-2 number, since 2×11343203525431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11343203525231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107011353961 + ... + 107011354066.

It is an arithmetic number, because the mean of its divisors is an integer number (2889306558378).

Almost surely, 2^{11343203525431} is an apocalyptic number.

11343203525431 is a deficient number, since it is larger than the sum of its proper divisors (214022708081).

11343203525431 is an equidigital number, since it uses as much as digits as its factorization.

11343203525431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214022708080.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 11343203525431 its reverse (13452530234311), we get a palindrome (24795733759742).

The spelling of 11343203525431 in words is "eleven trillion, three hundred forty-three billion, two hundred three million, five hundred twenty-five thousand, four hundred thirty-one".