1431402343 has 16 divisors (see below), whose sum is σ = 1691873280. Its totient is φ = 1185590016.

The previous prime is 1431402341. The next prime is 1431402347. The reversal of 1431402343 is 3432041341.

It is a cyclic number.

It is not a de Polignac number, because 1431402343 - 2¹ = 1431402341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431402341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1546 + ... + 53527.

It is an arithmetic number, because the mean of its divisors is an integer number (105742080).

Almost surely, 2^1431402343 is an apocalyptic number.

1431402343 is a deficient number, since it is larger than the sum of its proper divisors (260470937).

1431402343 is an equidigital number, since it uses as much as digits as its factorization.

1431402343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55206.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1431402343 is about 37833.8782442403. The cubic root of 1431402343 is about 1126.9913288980.

Adding to 1431402343 its reverse (3432041341), we get a palindrome (4863443684).

The spelling of 1431402343 in words is "one billion, four hundred thirty-one million, four hundred two thousand, three hundred forty-three".