321412534402 has 16 divisors (see below), whose sum is σ = 489346950240. Its totient is φ = 158297201568.

The previous prime is 321412534381. The next prime is 321412534403. The reversal of 321412534402 is 204435214123.

It is not an unprimeable number, because it can be changed into a prime (321412534403) 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, 2198749 + ... + 2340367.

It is an arithmetic number, because the mean of its divisors is an integer number (30584184390).

Almost surely, 2^321412534402 is an apocalyptic number.

321412534402 is a deficient number, since it is larger than the sum of its proper divisors (167934415838).

321412534402 is a wasteful number, since it uses less digits than its factorization.

321412534402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158625.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 321412534402 its reverse (204435214123), we get a palindrome (525847748525).

The spelling of 321412534402 in words is "three hundred twenty-one billion, four hundred twelve million, five hundred thirty-four thousand, four hundred two".