1431244442 has 8 divisors (see below), whose sum is σ = 2159722656. Its totient is φ = 711336892.

The previous prime is 1431244429. The next prime is 1431244469. The reversal of 1431244442 is 2444421341.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2142248 + ... + 2142915.

It is an arithmetic number, because the mean of its divisors is an integer number (269965332).

Almost surely, 2^1431244442 is an apocalyptic number.

1431244442 is a deficient number, since it is larger than the sum of its proper divisors (728478214).

1431244442 is a wasteful number, since it uses less digits than its factorization.

1431244442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285332.

The product of its digits is 12288, while the sum is 29.

The square root of 1431244442 is about 37831.7914193869. The cubic root of 1431244442 is about 1126.9498871137.

Adding to 1431244442 its reverse (2444421341), we get a palindrome (3875665783).

The spelling of 1431244442 in words is "one billion, four hundred thirty-one million, two hundred forty-four thousand, four hundred forty-two".