1421431004324 has 6 divisors (see below), whose sum is σ = 2487504257574. Its totient is φ = 710715502160.

The previous prime is 1421431004321. The next prime is 1421431004363. The reversal of 1421431004324 is 4234001341241.

It can be written as a sum of positive squares in only one way, i.e., 1315994420224 + 105436584100 = 1147168^2 + 324710^2 .

It is a super-2 number, since 2×1421431004324² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421431004321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177678875537 + ... + 177678875544.

It is an arithmetic number, because the mean of its divisors is an integer number (414584042929).

Almost surely, 2^{1421431004324} is an apocalyptic number.

It is an amenable number.

1421431004324 is a deficient number, since it is larger than the sum of its proper divisors (1066073253250).

1421431004324 is a wasteful number, since it uses less digits than its factorization.

1421431004324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355357751085 (or 355357751083 counting only the distinct ones).

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

Adding to 1421431004324 its reverse (4234001341241), we get a palindrome (5655432345565).

The spelling of 1421431004324 in words is "one trillion, four hundred twenty-one billion, four hundred thirty-one million, four thousand, three hundred twenty-four".