30221132143 has 4 divisors (see below), whose sum is σ = 30222958600. Its totient is φ = 30219305688.

The previous prime is 30221132107. The next prime is 30221132171. The reversal of 30221132143 is 34123112203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34123112203 = 281 ⋅121434563.

It is a cyclic number.

It is not a de Polignac number, because 30221132143 - 2⁹ = 30221131631 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 (30221132443) 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, 888180 + ... + 921577.

It is an arithmetic number, because the mean of its divisors is an integer number (7555739650).

Almost surely, 2^30221132143 is an apocalyptic number.

30221132143 is a deficient number, since it is larger than the sum of its proper divisors (1826457).

30221132143 is a wasteful number, since it uses less digits than its factorization.

30221132143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826456.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30221132143 its reverse (34123112203), we get a palindrome (64344244346).

The spelling of 30221132143 in words is "thirty billion, two hundred twenty-one million, one hundred thirty-two thousand, one hundred forty-three".