1889031113 has 8 divisors (see below), whose sum is σ = 1912680000. Its totient is φ = 1865403568.

The previous prime is 1889031083. The next prime is 1889031127. The reversal of 1889031113 is 3111309881.

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-1889031113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1889031163) 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, 245123 + ... + 252711.

It is an arithmetic number, because the mean of its divisors is an integer number (239085000).

Almost surely, 2^1889031113 is an apocalyptic number.

It is an amenable number.

1889031113 is a deficient number, since it is larger than the sum of its proper divisors (23648887).

1889031113 is an equidigital number, since it uses as much as digits as its factorization.

1889031113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10671.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 1889031113 is about 43462.9855509260. The cubic root of 1889031113 is about 1236.1742808274.

The spelling of 1889031113 in words is "one billion, eight hundred eighty-nine million, thirty-one thousand, one hundred thirteen".