30223131456 has 112 divisors (see below), whose sum is σ = 91551922560. Its totient is φ = 8619786240.

The previous prime is 30223131443. The next prime is 30223131493. The reversal of 30223131456 is 65413132203.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744976 + ... + 784496.

It is an arithmetic number, because the mean of its divisors is an integer number (817427880).

Almost surely, 2^30223131456 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 30223131456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45775961280).

30223131456 is an abundant number, since it is smaller than the sum of its proper divisors (61328791104).

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

30223131456 is a wasteful number, since it uses less digits than its factorization.

30223131456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40112 (or 40102 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 30223131456 its reverse (65413132203), we get a palindrome (95636263659).

The spelling of 30223131456 in words is "thirty billion, two hundred twenty-three million, one hundred thirty-one thousand, four hundred fifty-six".