3213020555346 has 128 divisors (see below), whose sum is σ = 8042688184320. Its totient is φ = 834488755200.

The previous prime is 3213020555333. The next prime is 3213020555351. The reversal of 3213020555346 is 6435550203123.

3213020555346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3213020555346³ (a number of 38 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11123611 + ... + 11408801.

It is an arithmetic number, because the mean of its divisors is an integer number (62833501440).

Almost surely, 2^{3213020555346} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213020555346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021344092160).

3213020555346 is an abundant number, since it is smaller than the sum of its proper divisors (4829667628974).

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

3213020555346 is a wasteful number, since it uses less digits than its factorization.

3213020555346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285760.

The product of its (nonzero) digits is 324000, while the sum is 39.

Adding to 3213020555346 its reverse (6435550203123), we get a palindrome (9648570758469).

The spelling of 3213020555346 in words is "three trillion, two hundred thirteen billion, twenty million, five hundred fifty-five thousand, three hundred forty-six".