30505323134250 has 128 divisors (see below), whose sum is σ = 87330508462080. Its totient is φ = 7872341400000.

The previous prime is 30505323134213. The next prime is 30505323134257. The reversal of 30505323134250 is 5243132350503.

30505323134250 is a `hidden beast` number, since 3 + 0 + 5 + 0 + 532 + 31 + 3 + 42 + 50 = 666.

It is not an unprimeable number, because it can be changed into a prime (30505323134257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72682801 + ... + 73101300.

It is an arithmetic number, because the mean of its divisors is an integer number (682269597360).

Almost surely, 2^{30505323134250} is an apocalyptic number.

30505323134250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30505323134250 is an abundant number, since it is smaller than the sum of its proper divisors (56825185327830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30505323134250 is a wasteful number, since it uses less digits than its factorization.

30505323134250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145784158 (or 145784142 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 36.

Adding to 30505323134250 its reverse (5243132350503), we get a palindrome (35748455484753).

The spelling of 30505323134250 in words is "thirty trillion, five hundred five billion, three hundred twenty-three million, one hundred thirty-four thousand, two hundred fifty".