30014032021 has 4 divisors (see below), whose sum is σ = 30058366572. Its totient is φ = 29969697472.

The previous prime is 30014032019. The next prime is 30014032031. The reversal of 30014032021 is 12023041003.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12023041003 = 157 ⋅76579879.

It can be written as a sum of positive squares in 2 ways, for example, as 21495664996 + 8518367025 = 146614^2 + 92295^2 .

It is a cyclic number.

It is not a de Polignac number, because 30014032021 - 2¹ = 30014032019 is a prime.

It is a super-2 number, since 2×30014032021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30014031986 and 30014032004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30014032031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22166260 + ... + 22167613.

It is an arithmetic number, because the mean of its divisors is an integer number (7514591643).

Almost surely, 2^30014032021 is an apocalyptic number.

It is an amenable number.

30014032021 is a deficient number, since it is larger than the sum of its proper divisors (44334551).

30014032021 is an equidigital number, since it uses as much as digits as its factorization.

30014032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44334550.

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

Adding to 30014032021 its reverse (12023041003), we get a palindrome (42037073024).

The spelling of 30014032021 in words is "thirty billion, fourteen million, thirty-two thousand, twenty-one".