305413540325312 has 56 divisors (see below), whose sum is σ = 635541845754000. Its totient is φ = 145421279410176.

The previous prime is 305413540325293. The next prime is 305413540325317. The reversal of 305413540325312 is 213523045314503.

It is a super-2 number, since 2×305413540325312² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 305413540325312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305413540325317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126951562 + ... + 1127222537.

Almost surely, 2^{305413540325312} is an apocalyptic number.

305413540325312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

305413540325312 is an abundant number, since it is smaller than the sum of its proper divisors (330128305428688).

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

305413540325312 is a wasteful number, since it uses less digits than its factorization.

305413540325312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254174213 (or 2254174203 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 41.

Adding to 305413540325312 its reverse (213523045314503), we get a palindrome (518936585639815).

The spelling of 305413540325312 in words is "three hundred five trillion, four hundred thirteen billion, five hundred forty million, three hundred twenty-five thousand, three hundred twelve".