321140353533 has 8 divisors (see below), whose sum is σ = 441999626496. Its totient is φ = 207187324800.

The previous prime is 321140353489. The next prime is 321140353537. The reversal of 321140353533 is 335353041123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 321140353533 - 2¹⁴ = 321140337149 is a prime.

It is a super-2 number, since 2×321140353533² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321140353494 and 321140353503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321140353537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1726560948 + ... + 1726561133.

It is an arithmetic number, because the mean of its divisors is an integer number (55249953312).

Almost surely, 2^321140353533 is an apocalyptic number.

It is an amenable number.

321140353533 is a deficient number, since it is larger than the sum of its proper divisors (120859272963).

321140353533 is a wasteful number, since it uses less digits than its factorization.

321140353533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453122115.

The product of its (nonzero) digits is 48600, while the sum is 33.

Adding to 321140353533 its reverse (335353041123), we get a palindrome (656493394656).

The spelling of 321140353533 in words is "three hundred twenty-one billion, one hundred forty million, three hundred fifty-three thousand, five hundred thirty-three".