11340534431 has 2 divisors, whose sum is σ = 11340534432. Its totient is φ = 11340534430.

The previous prime is 11340534379. The next prime is 11340534463. The reversal of 11340534431 is 13443504311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11340534431 - 2⁶ = 11340534367 is a prime.

It is a super-2 number, since 2×11340534431² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11340534394 and 11340534403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11340531431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5670267215 + 5670267216.

It is an arithmetic number, because the mean of its divisors is an integer number (5670267216).

Almost surely, 2^11340534431 is an apocalyptic number.

11340534431 is a deficient number, since it is larger than the sum of its proper divisors (1).

11340534431 is an equidigital number, since it uses as much as digits as its factorization.

11340534431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 11340534431 in words is "eleven billion, three hundred forty million, five hundred thirty-four thousand, four hundred thirty-one".