3213552311145 has 48 divisors (see below), whose sum is σ = 6084825918912. Its totient is φ = 1555960164480.

The previous prime is 3213552311141. The next prime is 3213552311153. The reversal of 3213552311145 is 5411132553123.

It is a happy number.

3213552311145 is a `hidden beast` number, since 3 + 2 + 13 + 5 + 523 + 1 + 114 + 5 = 666.

It is not a de Polignac number, because 3213552311145 - 2² = 3213552311141 is a prime.

It is a super-2 number, since 2×3213552311145² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3213552311141) 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 47 ways as a sum of consecutive naturals, for example, 4065559 + ... + 4791228.

It is an arithmetic number, because the mean of its divisors is an integer number (126767206644).

Almost surely, 2^{3213552311145} is an apocalyptic number.

It is an amenable number.

3213552311145 is a deficient number, since it is larger than the sum of its proper divisors (2871273607767).

3213552311145 is a wasteful number, since it uses less digits than its factorization.

3213552311145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8857542 (or 8857539 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

Adding to 3213552311145 its reverse (5411132553123), we get a palindrome (8624684864268).

The spelling of 3213552311145 in words is "three trillion, two hundred thirteen billion, five hundred fifty-two million, three hundred eleven thousand, one hundred forty-five".