11434340131 has 16 divisors (see below), whose sum is σ = 12297263616. Its totient is φ = 10592816256.

The previous prime is 11434340117. The next prime is 11434340143. The reversal of 11434340131 is 13104343411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11434340131 - 2²¹ = 11432242979 is a prime.

It is a super-2 number, since 2×11434340131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11434340096 and 11434340105.

It is not an unprimeable number, because it can be changed into a prime (11434340101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1827250 + ... + 1833496.

It is an arithmetic number, because the mean of its divisors is an integer number (768578976).

Almost surely, 2^11434340131 is an apocalyptic number.

11434340131 is a deficient number, since it is larger than the sum of its proper divisors (862923485).

11434340131 is a wasteful number, since it uses less digits than its factorization.

11434340131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7938.

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

Adding to 11434340131 its reverse (13104343411), we get a palindrome (24538683542).

The spelling of 11434340131 in words is "eleven billion, four hundred thirty-four million, three hundred forty thousand, one hundred thirty-one".