1431004423422 has 128 divisors (see below), whose sum is σ = 3457031270400. Its totient is φ = 386206119936.

The previous prime is 1431004423411. The next prime is 1431004423487. The reversal of 1431004423422 is 2243244001341.

It is a self number, because there is not a number n which added to its sum of digits gives 1431004423422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 279873138 + ... + 279878250.

It is an arithmetic number, because the mean of its divisors is an integer number (27008056800).

Almost surely, 2^{1431004423422} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1431004423422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728515635200).

1431004423422 is an abundant number, since it is smaller than the sum of its proper divisors (2026026846978).

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

1431004423422 is a wasteful number, since it uses less digits than its factorization.

1431004423422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10090.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1431004423422 its reverse (2243244001341), we get a palindrome (3674248424763).

The spelling of 1431004423422 in words is "one trillion, four hundred thirty-one billion, four million, four hundred twenty-three thousand, four hundred twenty-two".