2031150881885 has 8 divisors (see below), whose sum is σ = 2483369380440. Its totient is φ = 1594261824064.

The previous prime is 2031150881873. The next prime is 2031150881911. The reversal of 2031150881885 is 5881880511302.

It can be written as a sum of positive squares in 4 ways, for example, as 448881240196 + 1582269641689 = 669986^2 + 1257883^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2031150881885 - 2¹⁶ = 2031150816349 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3832359890 + ... + 3832360419.

It is an arithmetic number, because the mean of its divisors is an integer number (310421172555).

Almost surely, 2^{2031150881885} is an apocalyptic number.

It is an amenable number.

2031150881885 is a deficient number, since it is larger than the sum of its proper divisors (452218498555).

2031150881885 is an equidigital number, since it uses as much as digits as its factorization.

2031150881885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7664720367.

The product of its (nonzero) digits is 614400, while the sum is 50.

The spelling of 2031150881885 in words is "two trillion, thirty-one billion, one hundred fifty million, eight hundred eighty-one thousand, eight hundred eighty-five".