30461315460220 has 48 divisors (see below), whose sum is σ = 64014215328000. Its totient is φ = 12175869542400.

The previous prime is 30461315460211. The next prime is 30461315460221. The reversal of 30461315460220 is 2206451316403.

It is a self number, because there is not a number n which added to its sum of digits gives 30461315460220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30461315460221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 803943036 + ... + 803980924.

It is an arithmetic number, because the mean of its divisors is an integer number (1333629486000).

Almost surely, 2^{30461315460220} is an apocalyptic number.

It is an amenable number.

30461315460220 is an abundant number, since it is smaller than the sum of its proper divisors (33552899867780).

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

30461315460220 is a wasteful number, since it uses less digits than its factorization.

30461315460220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65398 (or 65396 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 30461315460220 its reverse (2206451316403), we get a palindrome (32667766776623).

The spelling of 30461315460220 in words is "thirty trillion, four hundred sixty-one billion, three hundred fifteen million, four hundred sixty thousand, two hundred twenty".