1431221011004 has 24 divisors (see below), whose sum is σ = 2524964821680. Its totient is φ = 709811915904.

The previous prime is 1431221011001. The next prime is 1431221011013. The reversal of 1431221011004 is 4001101221341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431221011001) 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, 569849 + ... + 1785264.

It is an arithmetic number, because the mean of its divisors is an integer number (105206867570).

Almost surely, 2^{1431221011004} is an apocalyptic number.

It is an amenable number.

1431221011004 is a deficient number, since it is larger than the sum of its proper divisors (1093743810676).

1431221011004 is a wasteful number, since it uses less digits than its factorization.

1431221011004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356349 (or 2356347 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1431221011004 its reverse (4001101221341), we get a palindrome (5432322232345).

The spelling of 1431221011004 in words is "one trillion, four hundred thirty-one billion, two hundred twenty-one million, eleven thousand, four".