30143019 has 8 divisors (see below), whose sum is σ = 40293520. Its totient is φ = 20043936.

The previous prime is 30143017. The next prime is 30143021. The reversal of 30143019 is 91034103.

It is an interprime number because it is at equal distance from previous prime (30143017) and next prime (30143021).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30143019 - 2¹ = 30143017 is a prime.

It is a super-2 number, since 2×30143019² = 1817203188868722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30142986 and 30143004.

It is not an unprimeable number, because it can be changed into a prime (30143011) 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, 11464 + ... + 13845.

It is an arithmetic number, because the mean of its divisors is an integer number (5036690).

Almost surely, 2^30143019 is an apocalyptic number.

30143019 is a deficient number, since it is larger than the sum of its proper divisors (10150501).

30143019 is a wasteful number, since it uses less digits than its factorization.

30143019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25709.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 30143019 is about 5490.2658405582. The cubic root of 30143019 is about 311.2162383341.

The spelling of 30143019 in words is "thirty million, one hundred forty-three thousand, nineteen".