1431324343 has 4 divisors (see below), whose sum is σ = 1477496128. Its totient is φ = 1385152560.

The previous prime is 1431324311. The next prime is 1431324371. The reversal of 1431324343 is 3434231341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3434231341 = 89 ⋅38586869.

It is a cyclic number.

It is not a de Polignac number, because 1431324343 - 2⁵ = 1431324311 is a prime.

It is a super-3 number, since 3×1431324343³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431364343) 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, 23085846 + ... + 23085907.

It is an arithmetic number, because the mean of its divisors is an integer number (369374032).

Almost surely, 2^1431324343 is an apocalyptic number.

1431324343 is a deficient number, since it is larger than the sum of its proper divisors (46171785).

1431324343 is an equidigital number, since it uses as much as digits as its factorization.

1431324343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46171784.

The product of its digits is 10368, while the sum is 28.

The square root of 1431324343 is about 37832.8474080395. The cubic root of 1431324343 is about 1126.9708578495.

Adding to 1431324343 its reverse (3434231341), we get a palindrome (4865555684).

The spelling of 1431324343 in words is "one billion, four hundred thirty-one million, three hundred twenty-four thousand, three hundred forty-three".