31252318079873 has 8 divisors (see below), whose sum is σ = 34095342462336. Its totient is φ = 28409611123600.

The previous prime is 31252318079771. The next prime is 31252318079929. The reversal of 31252318079873 is 37897081325213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31252318079873 is a prime.

It is a super-2 number, since 2×31252318079873² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31252318379873) 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 7 ways as a sum of consecutive naturals, for example, 79150658 + ... + 79544523.

It is an arithmetic number, because the mean of its divisors is an integer number (4261917807792).

Almost surely, 2^{31252318079873} is an apocalyptic number.

It is an amenable number.

31252318079873 is a deficient number, since it is larger than the sum of its proper divisors (2843024382463).

31252318079873 is a wasteful number, since it uses less digits than its factorization.

31252318079873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158713095.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 31252318079873 in words is "thirty-one trillion, two hundred fifty-two billion, three hundred eighteen million, seventy-nine thousand, eight hundred seventy-three".