1424342431 has 4 divisors (see below), whose sum is σ = 1444403664. Its totient is φ = 1404281200.

The previous prime is 1424342393. The next prime is 1424342443. The reversal of 1424342431 is 1342434241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1342434241 = 277 ⋅4846333.

It is a cyclic number.

It is not a de Polignac number, because 1424342431 - 2⁷ = 1424342303 is a prime.

It is a super-2 number, since 2×1424342431² = 4057502721493979522, which contains 22 as substring.

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 1424342431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424346431) 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, 10030510 + ... + 10030651.

It is an arithmetic number, because the mean of its divisors is an integer number (361100916).

Almost surely, 2^1424342431 is an apocalyptic number.

1424342431 is a deficient number, since it is larger than the sum of its proper divisors (20061233).

1424342431 is an equidigital number, since it uses as much as digits as its factorization.

1424342431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20061232.

The product of its digits is 9216, while the sum is 28.

The square root of 1424342431 is about 37740.4614571682. The cubic root of 1424342431 is about 1125.1354387721.

Adding to 1424342431 its reverse (1342434241), we get a palindrome (2766776672).

The spelling of 1424342431 in words is "one billion, four hundred twenty-four million, three hundred forty-two thousand, four hundred thirty-one".