30171453400000 has 672 divisors, whose sum is σ = 83674246005504. Its totient is φ = 10701081600000.

The previous prime is 30171453399961. The next prime is 30171453400009. The reversal of 30171453400000 is 435417103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30171453400009) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15771799044 + ... + 15771800956.

It is an arithmetic number, because the mean of its divisors is an integer number (124515247032).

Almost surely, 2^{30171453400000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30171453400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41837123002752).

30171453400000 is an abundant number, since it is smaller than the sum of its proper divisors (53502792605504).

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

30171453400000 is a wasteful number, since it uses less digits than its factorization.

30171453400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 30171453400000 its reverse (435417103), we get a palindrome (30171888817103).

The spelling of 30171453400000 in words is "thirty trillion, one hundred seventy-one billion, four hundred fifty-three million, four hundred thousand".