21430441434302 has 32 divisors (see below), whose sum is σ = 33324392453472. Its totient is φ = 10327756051584.

The previous prime is 21430441434293. The next prime is 21430441434317. The reversal of 21430441434302 is 20343414403412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277511048 + ... + 277588260.

It is an arithmetic number, because the mean of its divisors is an integer number (1041387264171).

Almost surely, 2^{21430441434302} is an apocalyptic number.

21430441434302 is a deficient number, since it is larger than the sum of its proper divisors (11893951019170).

21430441434302 is a wasteful number, since it uses less digits than its factorization.

21430441434302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112412.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 21430441434302 its reverse (20343414403412), we get a palindrome (41773855837714).

The spelling of 21430441434302 in words is "twenty-one trillion, four hundred thirty billion, four hundred forty-one million, four hundred thirty-four thousand, three hundred two".