305133141630 has 64 divisors (see below), whose sum is σ = 761379264000. Its totient is φ = 78168182400.

The previous prime is 305133141619. The next prime is 305133141713. The reversal of 305133141630 is 36141331503.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708096 + ... + 1054355.

It is an arithmetic number, because the mean of its divisors is an integer number (11896551000).

Almost surely, 2^305133141630 is an apocalyptic number.

305133141630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

305133141630 is an abundant number, since it is smaller than the sum of its proper divisors (456246122370).

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

305133141630 is a wasteful number, since it uses less digits than its factorization.

305133141630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762689.

The product of its (nonzero) digits is 9720, while the sum is 30.

The spelling of 305133141630 in words is "three hundred five billion, one hundred thirty-three million, one hundred forty-one thousand, six hundred thirty".