1431345434 has 16 divisors (see below), whose sum is σ = 2157103872. Its totient is φ = 712317648.

The previous prime is 1431345367. The next prime is 1431345439. The reversal of 1431345434 is 4345431341.

It is a self number, because there is not a number n which added to its sum of digits gives 1431345434.

It is not an unprimeable number, because it can be changed into a prime (1431345439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903407 + ... + 904989.

It is an arithmetic number, because the mean of its divisors is an integer number (134818992).

Almost surely, 2^1431345434 is an apocalyptic number.

1431345434 is a deficient number, since it is larger than the sum of its proper divisors (725758438).

1431345434 is a wasteful number, since it uses less digits than its factorization.

1431345434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421.

The product of its digits is 34560, while the sum is 32.

The square root of 1431345434 is about 37833.1261462756. The cubic root of 1431345434 is about 1126.9763932419.

Adding to 1431345434 its reverse (4345431341), we get a palindrome (5776776775).

The spelling of 1431345434 in words is "one billion, four hundred thirty-one million, three hundred forty-five thousand, four hundred thirty-four".