321312420434 has 16 divisors (see below), whose sum is σ = 484327935168. Its totient is φ = 159871484592.

The previous prime is 321312420431. The next prime is 321312420547. The reversal of 321312420434 is 434024213123.

It is a junction number, because it is equal to n+sod(n) for n = 321312420397 and 321312420406.

It is not an unprimeable number, because it can be changed into a prime (321312420431) 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, 50462 + ... + 803225.

It is an arithmetic number, because the mean of its divisors is an integer number (30270495948).

Almost surely, 2^321312420434 is an apocalyptic number.

321312420434 is a deficient number, since it is larger than the sum of its proper divisors (163015514734).

321312420434 is a wasteful number, since it uses less digits than its factorization.

321312420434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854609.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 321312420434 its reverse (434024213123), we get a palindrome (755336633557).

The spelling of 321312420434 in words is "three hundred twenty-one billion, three hundred twelve million, four hundred twenty thousand, four hundred thirty-four".