11424001431 has 4 divisors (see below), whose sum is σ = 15232001912. Its totient is φ = 7616000952.

The previous prime is 11424001333. The next prime is 11424001439. The reversal of 11424001431 is 13410042411.

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

It is not a de Polignac number, because 11424001431 - 2²³ = 11415612823 is a prime.

It is a super-2 number, since 2×11424001431² (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 = 11424001398 and 11424001407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11424001439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1904000236 + ... + 1904000241.

It is an arithmetic number, because the mean of its divisors is an integer number (3808000478).

Almost surely, 2^11424001431 is an apocalyptic number.

11424001431 is a deficient number, since it is larger than the sum of its proper divisors (3808000481).

11424001431 is an equidigital number, since it uses as much as digits as its factorization.

11424001431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808000480.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11424001431 its reverse (13410042411), we get a palindrome (24834043842).

The spelling of 11424001431 in words is "eleven billion, four hundred twenty-four million, one thousand, four hundred thirty-one".