321053213740 has 48 divisors (see below), whose sum is σ = 804028925952. Its totient is φ = 105289500096.

The previous prime is 321053213731. The next prime is 321053213743. The reversal of 321053213740 is 47312350123.

It is not an unprimeable number, because it can be changed into a prime (321053213743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49849764 + ... + 49856203.

It is an arithmetic number, because the mean of its divisors is an integer number (16750602624).

Almost surely, 2^321053213740 is an apocalyptic number.

It is an amenable number.

321053213740 is an abundant number, since it is smaller than the sum of its proper divisors (482975712212).

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

321053213740 is a wasteful number, since it uses less digits than its factorization.

321053213740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99706006 (or 99706004 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

Adding to 321053213740 its reverse (47312350123), we get a palindrome (368365563863).

The spelling of 321053213740 in words is "three hundred twenty-one billion, fifty-three million, two hundred thirteen thousand, seven hundred forty".