30531220554522 has 16 divisors (see below), whose sum is σ = 64654349409792. Its totient is φ = 9578422134720.

The previous prime is 30531220554481. The next prime is 30531220554577. The reversal of 30531220554522 is 22545502213503.

It is a super-2 number, since 2×30531220554522² (a number of 28 digits) contains 22 as substring.

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, 149662845754 + ... + 149662845957.

It is an arithmetic number, because the mean of its divisors is an integer number (4040896838112).

Almost surely, 2^{30531220554522} is an apocalyptic number.

30531220554522 is an abundant number, since it is smaller than the sum of its proper divisors (34123128855270).

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

30531220554522 is a wasteful number, since it uses less digits than its factorization.

30531220554522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299325691733.

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 30531220554522 in words is "thirty trillion, five hundred thirty-one billion, two hundred twenty million, five hundred fifty-four thousand, five hundred twenty-two".