2031311985118 has 32 divisors (see below), whose sum is σ = 3284991309600. Its totient is φ = 936488843136.

The previous prime is 2031311985113. The next prime is 2031311985161. The reversal of 2031311985118 is 8115891131302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031311985113) 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 15 ways as a sum of consecutive naturals, for example, 103612705 + ... + 103632307.

It is an arithmetic number, because the mean of its divisors is an integer number (102655978425).

Almost surely, 2^{2031311985118} is an apocalyptic number.

2031311985118 is a deficient number, since it is larger than the sum of its proper divisors (1253679324482).

2031311985118 is a wasteful number, since it uses less digits than its factorization.

2031311985118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23836.

The product of its (nonzero) digits is 51840, while the sum is 43.

The spelling of 2031311985118 in words is "two trillion, thirty-one billion, three hundred eleven million, nine hundred eighty-five thousand, one hundred eighteen".