30254220352421 has 16 divisors (see below), whose sum is σ = 32633075944560. Its totient is φ = 27882741818880.

The previous prime is 30254220352387. The next prime is 30254220352441. The reversal of 30254220352421 is 12425302245203.

It can be written as a sum of positive squares in 8 ways, for example, as 15244105096900 + 15010115255521 = 3904370^2 + 3874289^2 .

It is not a de Polignac number, because 30254220352421 - 2⁴² = 25856173841317 is a prime.

It is a super-2 number, since 2×30254220352421² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30254220352441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182676911 + ... + 182842451.

It is an arithmetic number, because the mean of its divisors is an integer number (2039567246535).

Almost surely, 2^{30254220352421} is an apocalyptic number.

It is an amenable number.

30254220352421 is a deficient number, since it is larger than the sum of its proper divisors (2378855592139).

30254220352421 is a wasteful number, since it uses less digits than its factorization.

30254220352421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187736.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 30254220352421 its reverse (12425302245203), we get a palindrome (42679522597624).

The spelling of 30254220352421 in words is "thirty trillion, two hundred fifty-four billion, two hundred twenty million, three hundred fifty-two thousand, four hundred twenty-one".