1431004423421 has 8 divisors (see below), whose sum is σ = 1502163460224. Its totient is φ = 1360590507760.

The previous prime is 1431004423411. The next prime is 1431004423487. The reversal of 1431004423421 is 1243244001341.

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

It is a cyclic number.

It is not a de Polignac number, because 1431004423421 - 2⁶ = 1431004423357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431004423411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186276350 + ... + 186284031.

It is an arithmetic number, because the mean of its divisors is an integer number (187770432528).

Almost surely, 2^{1431004423421} is an apocalyptic number.

It is an amenable number.

1431004423421 is a deficient number, since it is larger than the sum of its proper divisors (71159036803).

1431004423421 is a wasteful number, since it uses less digits than its factorization.

1431004423421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372560571.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1431004423421 its reverse (1243244001341), we get a palindrome (2674248424762).

The spelling of 1431004423421 in words is "one trillion, four hundred thirty-one billion, four million, four hundred twenty-three thousand, four hundred twenty-one".