3217152251481 has 64 divisors (see below), whose sum is σ = 5212930867200. Its totient is φ = 1724953950720.

The previous prime is 3217152251477. The next prime is 3217152251507. The reversal of 3217152251481 is 1841522517123.

It is not a de Polignac number, because 3217152251481 - 2² = 3217152251477 is a prime.

It is a super-2 number, since 2×3217152251481² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3217152251081) 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 63 ways as a sum of consecutive naturals, for example, 246537445 + ... + 246550493.

It is an arithmetic number, because the mean of its divisors is an integer number (81452044800).

Almost surely, 2^{3217152251481} is an apocalyptic number.

It is an amenable number.

3217152251481 is a deficient number, since it is larger than the sum of its proper divisors (1995778615719).

3217152251481 is a wasteful number, since it uses less digits than its factorization.

3217152251481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22766.

The product of its digits is 134400, while the sum is 42.

The spelling of 3217152251481 in words is "three trillion, two hundred seventeen billion, one hundred fifty-two million, two hundred fifty-one thousand, four hundred eighty-one".