1421434321302 has 32 divisors (see below), whose sum is σ = 3107196094464. Its totient is φ = 431555011200.

The previous prime is 1421434321301. The next prime is 1421434321309. The reversal of 1421434321302 is 2031234341241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421434321302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421434321301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224765074 + ... + 224771397.

It is an arithmetic number, because the mean of its divisors is an integer number (97099877952).

Almost surely, 2^{1421434321302} is an apocalyptic number.

1421434321302 is an abundant number, since it is smaller than the sum of its proper divisors (1685761773162).

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

1421434321302 is a wasteful number, since it uses less digits than its factorization.

1421434321302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449536524.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1421434321302 its reverse (2031234341241), we get a palindrome (3452668662543).

The spelling of 1421434321302 in words is "one trillion, four hundred twenty-one billion, four hundred thirty-four million, three hundred twenty-one thousand, three hundred two".