30144031 has 4 divisors (see below), whose sum is σ = 30184000. Its totient is φ = 30104064.

The previous prime is 30144029. The next prime is 30144047. The reversal of 30144031 is 13044103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30144031 - 2¹ = 30144029 is a prime.

It is a super-2 number, since 2×30144031² = 1817325209857922, 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 = 30143996 and 30144014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30144131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18831 + ... + 20368.

It is an arithmetic number, because the mean of its divisors is an integer number (7546000).

Almost surely, 2^30144031 is an apocalyptic number.

30144031 is a deficient number, since it is larger than the sum of its proper divisors (39969).

30144031 is an equidigital number, since it uses as much as digits as its factorization.

30144031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39968.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30144031 is about 5490.3580028993. The cubic root of 30144031 is about 311.2197211450.

Adding to 30144031 its reverse (13044103), we get a palindrome (43188134).

The spelling of 30144031 in words is "thirty million, one hundred forty-four thousand, thirty-one".