30311539980 has 24 divisors (see below), whose sum is σ = 84872312112. Its totient is φ = 8083077312.

The previous prime is 30311539967. The next prime is 30311540011. The reversal of 30311539980 is 8993511303.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252596107 + ... + 252596226.

It is an arithmetic number, because the mean of its divisors is an integer number (3536346338).

Almost surely, 2^30311539980 is an apocalyptic number.

30311539980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30311539980 is an abundant number, since it is smaller than the sum of its proper divisors (54560772132).

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

30311539980 is a wasteful number, since it uses less digits than its factorization.

30311539980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505192345 (or 505192343 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 30311539980 in words is "thirty billion, three hundred eleven million, five hundred thirty-nine thousand, nine hundred eighty".