2031889019 has 8 divisors (see below), whose sum is σ = 2098578240. Its totient is φ = 1966083336.

The previous prime is 2031889009. The next prime is 2031889033. The reversal of 2031889019 is 9109881302.

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 2031889019 - 2⁸ = 2031888763 is a prime.

It is a super-2 number, since 2×2031889019² = 8257145971065564722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031889009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216209 + ... + 225410.

It is an arithmetic number, because the mean of its divisors is an integer number (262322280).

Almost surely, 2^2031889019 is an apocalyptic number.

2031889019 is a deficient number, since it is larger than the sum of its proper divisors (66689221).

2031889019 is a wasteful number, since it uses less digits than its factorization.

2031889019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441769.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 2031889019 is about 45076.4796651203. The cubic root of 2031889019 is about 1266.5820466170.

The spelling of 2031889019 in words is "two billion, thirty-one million, eight hundred eighty-nine thousand, nineteen".