30452021300 has 54 divisors (see below), whose sum is σ = 68438300658. Its totient is φ = 11760748160.

The previous prime is 30452021219. The next prime is 30452021317. The reversal of 30452021300 is 312025403.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 1570378384 + 28881642916 = 39628^2 + 169946^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent 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 17 ways as a sum of consecutive naturals, for example, 96947 + ... + 265146.

Almost surely, 2^30452021300 is an apocalyptic number.

It is an amenable number.

30452021300 is an abundant number, since it is smaller than the sum of its proper divisors (37986279358).

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

30452021300 is a wasteful number, since it uses less digits than its factorization.

30452021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362165 (or 362129 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 30452021300 its reverse (312025403), we get a palindrome (30764046703).

The spelling of 30452021300 in words is "thirty billion, four hundred fifty-two million, twenty-one thousand, three hundred".