30310644020 has 24 divisors (see below), whose sum is σ = 67396609224. Its totient is φ = 11411065856.

The previous prime is 30310644019. The next prime is 30310644061. The reversal of 30310644020 is 2044601303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6095549476 + 24215094544 = 78074^2 + 155612^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44574137 + ... + 44574816.

It is an arithmetic number, because the mean of its divisors is an integer number (2808192051).

Almost surely, 2^30310644020 is an apocalyptic number.

It is an amenable number.

30310644020 is an abundant number, since it is smaller than the sum of its proper divisors (37085965204).

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

30310644020 is a wasteful number, since it uses less digits than its factorization.

30310644020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89148979 (or 89148977 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The spelling of 30310644020 in words is "thirty billion, three hundred ten million, six hundred forty-four thousand, twenty".