30213320315520 has 64 divisors (see below), whose sum is σ = 96304958511840. Its totient is φ = 8056885416960.

The previous prime is 30213320315509. The next prime is 30213320315557. The reversal of 30213320315520 is 2551302331203.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7868050246 + ... + 7868054085.

Almost surely, 2^{30213320315520} is an apocalyptic number.

30213320315520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30213320315520 is an abundant number, since it is smaller than the sum of its proper divisors (66091638196320).

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

30213320315520 is a wasteful number, since it uses less digits than its factorization.

30213320315520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15736104353 (or 15736104341 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 30213320315520 its reverse (2551302331203), we get a palindrome (32764622646723).

The spelling of 30213320315520 in words is "thirty trillion, two hundred thirteen billion, three hundred twenty million, three hundred fifteen thousand, five hundred twenty".