389131113 has 16 divisors (see below), whose sum is σ = 593242496. Its totient is φ = 222255360.

The previous prime is 389131111. The next prime is 389131121. The reversal of 389131113 is 311131983.

It is a happy number.

It is not a de Polignac number, because 389131113 - 2¹ = 389131111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389131111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71745 + ... + 76977.

It is an arithmetic number, because the mean of its divisors is an integer number (37077656).

Almost surely, 2^389131113 is an apocalyptic number.

It is an amenable number.

389131113 is a deficient number, since it is larger than the sum of its proper divisors (204111383).

389131113 is a wasteful number, since it uses less digits than its factorization.

389131113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8784.

The product of its digits is 1944, while the sum is 30.

The square root of 389131113 is about 19726.4064897791. The cubic root of 389131113 is about 730.0713716419.

The spelling of 389131113 in words is "three hundred eighty-nine million, one hundred thirty-one thousand, one hundred thirteen".