30520100255 has 8 divisors (see below), whose sum is σ = 38778480432. Its totient is φ = 22979840128.

The previous prime is 30520100179. The next prime is 30520100267. The reversal of 30520100255 is 55200102503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30520100255 - 2¹⁰ = 30520099231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30520100255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179529917 + ... + 179530086.

It is an arithmetic number, because the mean of its divisors is an integer number (4847310054).

Almost surely, 2^30520100255 is an apocalyptic number.

30520100255 is a deficient number, since it is larger than the sum of its proper divisors (8258380177).

30520100255 is a wasteful number, since it uses less digits than its factorization.

30520100255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359060025.

The product of its (nonzero) digits is 1500, while the sum is 23.

Adding to 30520100255 its reverse (55200102503), we get a palindrome (85720202758).

The spelling of 30520100255 in words is "thirty billion, five hundred twenty million, one hundred thousand, two hundred fifty-five".