388130013 has 24 divisors (see below), whose sum is σ = 579960576. Its totient is φ = 249868800.

The previous prime is 388130011. The next prime is 388130023. The reversal of 388130013 is 310031883.

It is not a de Polignac number, because 388130013 - 2¹ = 388130011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388130011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159778 + ... + 162188.

It is an arithmetic number, because the mean of its divisors is an integer number (24165024).

Almost surely, 2^388130013 is an apocalyptic number.

It is an amenable number.

388130013 is a deficient number, since it is larger than the sum of its proper divisors (191830563).

388130013 is a wasteful number, since it uses less digits than its factorization.

388130013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025 (or 3022 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 388130013 is about 19701.0155322004. The cubic root of 388130013 is about 729.4447601258. Note that the first 3 decimals are identical.

Adding to 388130013 its reverse (310031883), we get a palindrome (698161896).

The spelling of 388130013 in words is "three hundred eighty-eight million, one hundred thirty thousand, thirteen".