2031217843264 has 21 divisors (see below), whose sum is σ = 4030720533031. Its totient is φ = 1015603220800.

The previous prime is 2031217843261. The next prime is 2031217843267. The reversal of 2031217843264 is 4623487121302.

The square root of 2031217843264 is 1425208.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (2031217843261) and next prime (2031217843267).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2031217843264.

It is not an unprimeable number, because it can be changed into a prime (2031217843261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11312589 + ... + 11490739.

Almost surely, 2^{2031217843264} is an apocalyptic number.

2031217843264 is the 1425208-th square number.

It is an amenable number.

2031217843264 is a deficient number, since it is larger than the sum of its proper divisors (1999502689767).

2031217843264 is an frugal number, since it uses more digits than its factorization.

2031217843264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356314 (or 178153 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 2031217843264 in words is "two trillion, thirty-one billion, two hundred seventeen million, eight hundred forty-three thousand, two hundred sixty-four".