30520223435255 has 16 divisors (see below), whose sum is σ = 37141737931584. Its totient is φ = 24071229154560.

The previous prime is 30520223435231. The next prime is 30520223435257. The reversal of 30520223435255 is 55253432202503.

It is not a de Polignac number, because 30520223435255 - 2⁸ = 30520223434999 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 (30520223435257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6231827 + ... + 9993803.

It is an arithmetic number, because the mean of its divisors is an integer number (2321358620724).

Almost surely, 2^{30520223435255} is an apocalyptic number.

30520223435255 is a deficient number, since it is larger than the sum of its proper divisors (6621514496329).

30520223435255 is a wasteful number, since it uses less digits than its factorization.

30520223435255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784906.

The product of its (nonzero) digits is 1080000, while the sum is 41.

Adding to 30520223435255 its reverse (55253432202503), we get a palindrome (85773655637758).

The spelling of 30520223435255 in words is "thirty trillion, five hundred twenty billion, two hundred twenty-three million, four hundred thirty-five thousand, two hundred fifty-five".