3215427506317 has 16 divisors (see below), whose sum is σ = 3472497871360. Its totient is φ = 2959748491392.

The previous prime is 3215427506299. The next prime is 3215427506323. The reversal of 3215427506317 is 7136057245123.

It is a cyclic number.

It is not a de Polignac number, because 3215427506317 - 2¹¹ = 3215427504269 is a prime.

It is a super-2 number, since 2×3215427506317² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215427503317) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 79335784 + ... + 79376302.

It is an arithmetic number, because the mean of its divisors is an integer number (217031116960).

Almost surely, 2^{3215427506317} is an apocalyptic number.

It is an amenable number.

3215427506317 is a deficient number, since it is larger than the sum of its proper divisors (257070365043).

3215427506317 is a wasteful number, since it uses less digits than its factorization.

3215427506317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57532.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 3215427506317 in words is "three trillion, two hundred fifteen billion, four hundred twenty-seven million, five hundred six thousand, three hundred seventeen".