1431316 has 6 divisors (see below), whose sum is σ = 2504810. Its totient is φ = 715656.

The previous prime is 1431307. The next prime is 1431317. The reversal of 1431316 is 6131341.

It can be written as a sum of positive squares in only one way, i.e., 1430416 + 900 = 1196^2 + 30^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1431293 and 1431302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178911 + ... + 178918.

2^1431316 is an apocalyptic number.

It is an amenable number.

1431316 is a deficient number, since it is larger than the sum of its proper divisors (1073494).

1431316 is a wasteful number, since it uses less digits than its factorization.

1431316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357833 (or 357831 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 1431316 is about 1196.3761950156. The cubic root of 1431316 is about 112.6968668191.

Adding to 1431316 its reverse (6131341), we get a palindrome (7562657).

The spelling of 1431316 in words is "one million, four hundred thirty-one thousand, three hundred sixteen".