321322643102 has 16 divisors (see below), whose sum is σ = 507448919040. Its totient is φ = 152176249368.

The previous prime is 321322643071. The next prime is 321322643119. The reversal of 321322643102 is 201346223123.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 610238 + ... + 1007489.

It is an arithmetic number, because the mean of its divisors is an integer number (31715557440).

Almost surely, 2^321322643102 is an apocalyptic number.

321322643102 is a deficient number, since it is larger than the sum of its proper divisors (186126275938).

321322643102 is a wasteful number, since it uses less digits than its factorization.

321322643102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622975.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 321322643102 its reverse (201346223123), we get a palindrome (522668866225).

The spelling of 321322643102 in words is "three hundred twenty-one billion, three hundred twenty-two million, six hundred forty-three thousand, one hundred two".