1431140343 has 16 divisors (see below), whose sum is σ = 1976342880. Its totient is φ = 920094336.

The previous prime is 1431140329. The next prime is 1431140351. The reversal of 1431140343 is 3430411341.

It is not a de Polignac number, because 1431140343 - 2⁵ = 1431140311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431140143) 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, 66921 + ... + 85677.

It is an arithmetic number, because the mean of its divisors is an integer number (123521430).

Almost surely, 2^1431140343 is an apocalyptic number.

1431140343 is a deficient number, since it is larger than the sum of its proper divisors (545202537).

1431140343 is a wasteful number, since it uses less digits than its factorization.

1431140343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19666.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1431140343 is about 37830.4155805881. The cubic root of 1431140343 is about 1126.9225642243.

Adding to 1431140343 its reverse (3430411341), we get a palindrome (4861551684).

The spelling of 1431140343 in words is "one billion, four hundred thirty-one million, one hundred forty thousand, three hundred forty-three".