30515225323145 has 16 divisors (see below), whose sum is σ = 37046667036288. Its totient is φ = 24127274856960.

The previous prime is 30515225323127. The next prime is 30515225323189. The reversal of 30515225323145 is 54132352251503.

It is not a de Polignac number, because 30515225323145 - 2²⁸ = 30514956887689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42919751 + ... + 43624940.

It is an arithmetic number, because the mean of its divisors is an integer number (2315416689768).

Almost surely, 2^{30515225323145} is an apocalyptic number.

It is an amenable number.

30515225323145 is a deficient number, since it is larger than the sum of its proper divisors (6531441713143).

30515225323145 is an equidigital number, since it uses as much as digits as its factorization.

30515225323145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86545520.

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 30515225323145 its reverse (54132352251503), we get a palindrome (84647577574648).

The spelling of 30515225323145 in words is "thirty trillion, five hundred fifteen billion, two hundred twenty-five million, three hundred twenty-three thousand, one hundred forty-five".