30138017 has 16 divisors (see below), whose sum is σ = 38099712. Its totient is φ = 23198400.

The previous prime is 30138013. The next prime is 30138019. The reversal of 30138017 is 71083103.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30138017 - 2² = 30138013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30137983 and 30138001.

It is not an unprimeable number, because it can be changed into a prime (30138011) 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, 1109 + ... + 7842.

It is an arithmetic number, because the mean of its divisors is an integer number (2381232).

Almost surely, 2^30138017 is an apocalyptic number.

30138017 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

30138017 is a deficient number, since it is larger than the sum of its proper divisors (7961695).

30138017 is a wasteful number, since it uses less digits than its factorization.

30138017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9008.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 30138017 is about 5489.8102881611. The cubic root of 30138017 is about 311.1990227422.

The spelling of 30138017 in words is "thirty million, one hundred thirty-eight thousand, seventeen".