3213602312261 has 16 divisors (see below), whose sum is σ = 3753675976320. Its totient is φ = 2718711790080.

The previous prime is 3213602312243. The next prime is 3213602312293. The reversal of 3213602312261 is 1622132063123.

It is not a de Polignac number, because 3213602312261 - 2²² = 3213598117957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213602342261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96528521 + ... + 96561806.

It is an arithmetic number, because the mean of its divisors is an integer number (234604748520).

Almost surely, 2^{3213602312261} is an apocalyptic number.

It is an amenable number.

3213602312261 is a deficient number, since it is larger than the sum of its proper divisors (540073664059).

3213602312261 is a wasteful number, since it uses less digits than its factorization.

3213602312261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193090444.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 3213602312261 its reverse (1622132063123), we get a palindrome (4835734375384).

The spelling of 3213602312261 in words is "three trillion, two hundred thirteen billion, six hundred two million, three hundred twelve thousand, two hundred sixty-one".