11034431431 has 32 divisors (see below), whose sum is σ = 12234055680. Its totient is φ = 9912520800.

The previous prime is 11034431371. The next prime is 11034431477. The reversal of 11034431431 is 13413443011.

It is a happy number.

11034431431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11034431431 - 2¹¹ = 11034429383 is a prime.

It is a super-2 number, since 2×11034431431² (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 = 11034431396 and 11034431405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11034431491) 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 31 ways as a sum of consecutive naturals, for example, 6403336 + ... + 6405058.

It is an arithmetic number, because the mean of its divisors is an integer number (382314240).

Almost surely, 2^11034431431 is an apocalyptic number.

11034431431 is a deficient number, since it is larger than the sum of its proper divisors (1199624249).

11034431431 is a wasteful number, since it uses less digits than its factorization.

11034431431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 11034431431 its reverse (13413443011), we get a palindrome (24447874442).

The spelling of 11034431431 in words is "eleven billion, thirty-four million, four hundred thirty-one thousand, four hundred thirty-one".