321210253353 has 12 divisors (see below), whose sum is σ = 470754421424. Its totient is φ = 194672880600.

The previous prime is 321210253349. The next prime is 321210253369. The reversal of 321210253353 is 353352012123.

It is a happy number.

It is not a de Polignac number, because 321210253353 - 2² = 321210253349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321210253353.

It is not an unprimeable number, because it can be changed into a prime (321210253373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442438003 + ... + 442438728.

Almost surely, 2^321210253353 is an apocalyptic number.

321210253353 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

321210253353 is a deficient number, since it is larger than the sum of its proper divisors (149544168071).

321210253353 is a wasteful number, since it uses less digits than its factorization.

321210253353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884876756 (or 884876745 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 321210253353 its reverse (353352012123), we get a palindrome (674562265476).

The spelling of 321210253353 in words is "three hundred twenty-one billion, two hundred ten million, two hundred fifty-three thousand, three hundred fifty-three".