30443432141 has 4 divisors (see below), whose sum is σ = 30860465532. Its totient is φ = 30026398752.

The previous prime is 30443432111. The next prime is 30443432161. The reversal of 30443432141 is 14123434403.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21190916041 + 9252516100 = 145571^2 + 96190^2 .

It is a cyclic number.

It is not a de Polignac number, because 30443432141 - 2¹⁴ = 30443415757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30443432101) 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, 208516586 + ... + 208516731.

It is an arithmetic number, because the mean of its divisors is an integer number (7715116383).

Almost surely, 2^30443432141 is an apocalyptic number.

It is an amenable number.

30443432141 is a deficient number, since it is larger than the sum of its proper divisors (417033391).

30443432141 is an equidigital number, since it uses as much as digits as its factorization.

30443432141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417033390.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 30443432141 its reverse (14123434403), we get a palindrome (44566866544).

The spelling of 30443432141 in words is "thirty billion, four hundred forty-three million, four hundred thirty-two thousand, one hundred forty-one".