3213213342840 has 96 divisors (see below), whose sum is σ = 10449669550320. Its totient is φ = 856304999424.

The previous prime is 3213213342803. The next prime is 3213213342881. The reversal of 3213213342840 is 482433123123.

3213213342840 is a `hidden beast` number, since 3 + 2 + 13 + 213 + 3 + 428 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3213213342795 and 3213213342804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2314582 + ... + 3432741.

Almost surely, 2^{3213213342840} is an apocalyptic number.

3213213342840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3213213342840 is an abundant number, since it is smaller than the sum of its proper divisors (7236456207480).

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

3213213342840 is a wasteful number, since it uses less digits than its factorization.

3213213342840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5748893 (or 5748886 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 3213213342840 its reverse (482433123123), we get a palindrome (3695646465963).

The spelling of 3213213342840 in words is "three trillion, two hundred thirteen billion, two hundred thirteen million, three hundred forty-two thousand, eight hundred forty".