321214221430 has 32 divisors (see below), whose sum is σ = 581227602048. Its totient is φ = 127811174400.

The previous prime is 321214221409. The next prime is 321214221457. The reversal of 321214221430 is 34122412123.

It is a junction number, because it is equal to n+sod(n) for n = 321214221395 and 321214221404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1644654 + ... + 1829566.

It is an arithmetic number, because the mean of its divisors is an integer number (18163362564).

Almost surely, 2^321214221430 is an apocalyptic number.

321214221430 is a deficient number, since it is larger than the sum of its proper divisors (260013380618).

321214221430 is a wasteful number, since it uses less digits than its factorization.

321214221430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185832.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 321214221430 its reverse (34122412123), we get a palindrome (355336633553).

The spelling of 321214221430 in words is "three hundred twenty-one billion, two hundred fourteen million, two hundred twenty-one thousand, four hundred thirty".