1431322404 has 12 divisors (see below), whose sum is σ = 3339752304. Its totient is φ = 477107464.

The previous prime is 1431322391. The next prime is 1431322457. The reversal of 1431322404 is 4042231341.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59638422 + ... + 59638445.

It is an arithmetic number, because the mean of its divisors is an integer number (278312692).

Almost surely, 2^1431322404 is an apocalyptic number.

It is an amenable number.

1431322404 is an abundant number, since it is smaller than the sum of its proper divisors (1908429900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431322404 is a wasteful number, since it uses less digits than its factorization.

1431322404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119276874 (or 119276872 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1431322404 is about 37832.8217821510. The cubic root of 1431322404 is about 1126.9703489508.

Adding to 1431322404 its reverse (4042231341), we get a palindrome (5473553745).

The spelling of 1431322404 in words is "one billion, four hundred thirty-one million, three hundred twenty-two thousand, four hundred four".