321213060654 has 64 divisors (see below), whose sum is σ = 695122864128. Its totient is φ = 98738841600.

The previous prime is 321213060653. The next prime is 321213060671. The reversal of 321213060654 is 456060312123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321213060653) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 161859 + ... + 817694.

It is an arithmetic number, because the mean of its divisors is an integer number (10861294752).

Almost surely, 2^321213060654 is an apocalyptic number.

321213060654 is an abundant number, since it is smaller than the sum of its proper divisors (373909803474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321213060654 is a wasteful number, since it uses less digits than its factorization.

321213060654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979673.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 321213060654 its reverse (456060312123), we get a palindrome (777273372777).

The spelling of 321213060654 in words is "three hundred twenty-one billion, two hundred thirteen million, sixty thousand, six hundred fifty-four".