3213224430545 has 8 divisors (see below), whose sum is σ = 3855970873896. Its totient is φ = 2570511839616.

The previous prime is 3213224430517. The next prime is 3213224430571. The reversal of 3213224430545 is 5450344223123.

3213224430545 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 25203467536 + 3188020963009 = 158756^2 + 1785503^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3213224430545 - 2⁸ = 3213224430289 is a prime.

It is a super-2 number, since 2×3213224430545² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3213224430499 and 3213224430508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8253812 + ... + 8634341.

It is an arithmetic number, because the mean of its divisors is an integer number (481996359237).

Almost surely, 2^{3213224430545} is an apocalyptic number.

It is an amenable number.

3213224430545 is a deficient number, since it is larger than the sum of its proper divisors (642746443351).

3213224430545 is a wasteful number, since it uses less digits than its factorization.

3213224430545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16926211.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 3213224430545 its reverse (5450344223123), we get a palindrome (8663568653668).

The spelling of 3213224430545 in words is "three trillion, two hundred thirteen billion, two hundred twenty-four million, four hundred thirty thousand, five hundred forty-five".