1424213431 has 4 divisors (see below), whose sum is σ = 1424678472. Its totient is φ = 1423748392.

The previous prime is 1424213389. The next prime is 1424213443. The reversal of 1424213431 is 1343124241.

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

It is a cyclic number.

It is not a de Polignac number, because 1424213431 - 2⁷ = 1424213303 is a prime.

It is a super-2 number, since 2×1424213431² = 4056767794081583522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1424213396 and 1424213405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424213491) 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, 227896 + ... + 234061.

It is an arithmetic number, because the mean of its divisors is an integer number (356169618).

Almost surely, 2^1424213431 is an apocalyptic number.

1424213431 is a deficient number, since it is larger than the sum of its proper divisors (465041).

1424213431 is an equidigital number, since it uses as much as digits as its factorization.

1424213431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465040.

The product of its digits is 2304, while the sum is 25.

The square root of 1424213431 is about 37738.7523773640. The cubic root of 1424213431 is about 1125.1014706170.

Adding to 1424213431 its reverse (1343124241), we get a palindrome (2767337672).

The spelling of 1424213431 in words is "one billion, four hundred twenty-four million, two hundred thirteen thousand, four hundred thirty-one".