305105255130 has 32 divisors (see below), whose sum is σ = 788579737344. Its totient is φ = 75102831936.

The previous prime is 305105255113. The next prime is 305105255159. The reversal of 305105255130 is 31552501503.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391160194 + ... + 391160973.

It is an arithmetic number, because the mean of its divisors is an integer number (24643116792).

Almost surely, 2^305105255130 is an apocalyptic number.

305105255130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

305105255130 is an abundant number, since it is smaller than the sum of its proper divisors (483474482214).

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

305105255130 is a wasteful number, since it uses less digits than its factorization.

305105255130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782321190.

The product of its (nonzero) digits is 11250, while the sum is 30.

Adding to 305105255130 its reverse (31552501503), we get a palindrome (336657756633).

The spelling of 305105255130 in words is "three hundred five billion, one hundred five million, two hundred fifty-five thousand, one hundred thirty".