1431263452 has 12 divisors (see below), whose sum is σ = 2572406200. Its totient is φ = 696290256.

The previous prime is 1431263443. The next prime is 1431263453. The reversal of 1431263452 is 2543621341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431263453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4835202 + ... + 4835497.

Almost surely, 2^1431263452 is an apocalyptic number.

It is an amenable number.

1431263452 is a deficient number, since it is larger than the sum of its proper divisors (1141142748).

1431263452 is a wasteful number, since it uses less digits than its factorization.

1431263452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9670740 (or 9670738 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 1431263452 is about 37832.0426622724. The cubic root of 1431263452 is about 1126.9548765298.

Adding to 1431263452 its reverse (2543621341), we get a palindrome (3974884793).

The spelling of 1431263452 in words is "one billion, four hundred thirty-one million, two hundred sixty-three thousand, four hundred fifty-two".