30515225323144 has 16 divisors (see below), whose sum is σ = 57217129801920. Its totient is φ = 15257324042640.

The previous prime is 30515225323127. The next prime is 30515225323189. The reversal of 30515225323144 is 44132352251503.

It is a junction number, because it is equal to n+sod(n) for n = 30515225323097 and 30515225323106.

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 3 ways as a sum of consecutive naturals, for example, 35627692 + ... + 36474139.

It is an arithmetic number, because the mean of its divisors is an integer number (3576070612620).

Almost surely, 2^{30515225323144} is an apocalyptic number.

It is an amenable number.

30515225323144 is a deficient number, since it is larger than the sum of its proper divisors (26701904478776).

30515225323144 is a wasteful number, since it uses less digits than its factorization.

30515225323144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72154740 (or 72154736 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 30515225323144 its reverse (44132352251503), we get a palindrome (74647577574647).

The spelling of 30515225323144 in words is "thirty trillion, five hundred fifteen billion, two hundred twenty-five million, three hundred twenty-three thousand, one hundred forty-four".