30233253324221 has 4 divisors (see below), whose sum is σ = 30256385118432. Its totient is φ = 30210121530012.

The previous prime is 30233253324199. The next prime is 30233253324283. The reversal of 30233253324221 is 12242335233203.

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.

It is a cyclic number.

It is not a de Polignac number, because 30233253324221 - 2¹⁴ = 30233253307837 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 (30233253324721) 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, 11565895145 + ... + 11565897758.

It is an arithmetic number, because the mean of its divisors is an integer number (7564096279608).

Almost surely, 2^{30233253324221} is an apocalyptic number.

It is an amenable number.

30233253324221 is a deficient number, since it is larger than the sum of its proper divisors (23131794211).

30233253324221 is a wasteful number, since it uses less digits than its factorization.

30233253324221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23131794210.

The product of its (nonzero) digits is 155520, while the sum is 35.

Adding to 30233253324221 its reverse (12242335233203), we get a palindrome (42475588557424).

The spelling of 30233253324221 in words is "thirty trillion, two hundred thirty-three billion, two hundred fifty-three million, three hundred twenty-four thousand, two hundred twenty-one".