30531205054 has 32 divisors (see below), whose sum is σ = 55031809536. Its totient is φ = 12420339360.

The previous prime is 30531205037. The next prime is 30531205147. The reversal of 30531205054 is 45050213503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319717 + ... + 404080.

It is an arithmetic number, because the mean of its divisors is an integer number (1719744048).

Almost surely, 2^30531205054 is an apocalyptic number.

30531205054 is a deficient number, since it is larger than the sum of its proper divisors (24500604482).

30531205054 is a wasteful number, since it uses less digits than its factorization.

30531205054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723960.

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 30531205054 its reverse (45050213503), we get a palindrome (75581418557).

The spelling of 30531205054 in words is "thirty billion, five hundred thirty-one million, two hundred five thousand, fifty-four".