2031311985119 has 8 divisors (see below), whose sum is σ = 2080960299600. Its totient is φ = 1981668628800.

The previous prime is 2031311985113. The next prime is 2031311985161. The reversal of 2031311985119 is 9115891131302.

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-2031311985119 is a prime.

It is a super-2 number, since 2×2031311985119² (a number of 25 digits) contains 22 as substring.

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 2031311985119.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403337 + ... + 2055554.

It is an arithmetic number, because the mean of its divisors is an integer number (260120037450).

Almost surely, 2^{2031311985119} is an apocalyptic number.

2031311985119 is a deficient number, since it is larger than the sum of its proper divisors (49648314481).

2031311985119 is a wasteful number, since it uses less digits than its factorization.

2031311985119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479081.

The product of its (nonzero) digits is 58320, while the sum is 44.

The spelling of 2031311985119 in words is "two trillion, thirty-one billion, three hundred eleven million, nine hundred eighty-five thousand, one hundred nineteen".