30401441021 has 4 divisors (see below), whose sum is σ = 34744504032. Its totient is φ = 26058378012.

The previous prime is 30401441011. The next prime is 30401441023. The reversal of 30401441021 is 12014410403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12014410403 = 1823 ⋅6590461.

It is a cyclic number.

It is not a de Polignac number, because 30401441021 - 2²² = 30397246717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30401440984 and 30401441002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30401441023) 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, 2171531495 + ... + 2171531508.

It is an arithmetic number, because the mean of its divisors is an integer number (8686126008).

Almost surely, 2^30401441021 is an apocalyptic number.

It is an amenable number.

30401441021 is a deficient number, since it is larger than the sum of its proper divisors (4343063011).

30401441021 is an equidigital number, since it uses as much as digits as its factorization.

30401441021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343063010.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 30401441021 its reverse (12014410403), we get a palindrome (42415851424).

The spelling of 30401441021 in words is "thirty billion, four hundred one million, four hundred forty-one thousand, twenty-one".