31875000001 has 8 divisors (see below), whose sum is σ = 36133603520. Its totient is φ = 27874493712.

The previous prime is 31874999977. The next prime is 31875000011. The reversal of 31875000001 is 10000057813.

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

It is not a de Polignac number, because 31875000001 - 2¹¹ = 31874997953 is a prime.

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 31875000001.

It is not an unprimeable number, because it can be changed into a prime (31875000011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64524045 + ... + 64524538.

It is an arithmetic number, because the mean of its divisors is an integer number (4516700440).

Almost surely, 2^31875000001 is an apocalyptic number.

It is an amenable number.

31875000001 is a deficient number, since it is larger than the sum of its proper divisors (4258603519).

31875000001 is a wasteful number, since it uses less digits than its factorization.

31875000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129048615.

The product of its (nonzero) digits is 840, while the sum is 25.

Adding to 31875000001 its reverse (10000057813), we get a palindrome (41875057814).

The spelling of 31875000001 in words is "thirty-one billion, eight hundred seventy-five million, one", and thus it is an aban number.