1424351431 has 4 divisors (see below), whose sum is σ = 1424451600. Its totient is φ = 1424251264.

The previous prime is 1424351419. The next prime is 1424351437. The reversal of 1424351431 is 1341534241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1424351431 - 2⁷ = 1424351303 is a prime.

It is a super-4 number, since 4×1424351431⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1424351431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424351437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24346 + ... + 58663.

It is an arithmetic number, because the mean of its divisors is an integer number (356112900).

Almost surely, 2^1424351431 is an apocalyptic number.

1424351431 is a deficient number, since it is larger than the sum of its proper divisors (100169).

1424351431 is an equidigital number, since it uses as much as digits as its factorization.

1424351431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100168.

The product of its digits is 5760, while the sum is 28.

The square root of 1424351431 is about 37740.5806924059. The cubic root of 1424351431 is about 1125.1378085668.

Adding to 1424351431 its reverse (1341534241), we get a palindrome (2765885672).

The spelling of 1424351431 in words is "one billion, four hundred twenty-four million, three hundred fifty-one thousand, four hundred thirty-one".