30220131453500 has 96 divisors (see below), whose sum is σ = 67898945132928. Its totient is φ = 11744829657600.

The previous prime is 30220131453487. The next prime is 30220131453557. The reversal of 30220131453500 is 535413102203.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2806337 + ... + 8265336.

It is an arithmetic number, because the mean of its divisors is an integer number (707280678468).

Almost surely, 2^{30220131453500} is an apocalyptic number.

It is an amenable number.

30220131453500 is an abundant number, since it is smaller than the sum of its proper divisors (37678813679428).

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

30220131453500 is a wasteful number, since it uses less digits than its factorization.

30220131453500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11071848 (or 11071836 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 30220131453500 its reverse (535413102203), we get a palindrome (30755544555703).

The spelling of 30220131453500 in words is "thirty trillion, two hundred twenty billion, one hundred thirty-one million, four hundred fifty-three thousand, five hundred".