30625042013215 has 64 divisors (see below), whose sum is σ = 42855082099200. Its totient is φ = 20812376784384.

The previous prime is 30625042013207. The next prime is 30625042013227. The reversal of 30625042013215 is 51231024052603.

It is a cyclic number.

It is not a de Polignac number, because 30625042013215 - 2³ = 30625042013207 is a prime.

It is a super-2 number, since 2×30625042013215² (a number of 28 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 27743844 + ... + 28826566.

It is an arithmetic number, because the mean of its divisors is an integer number (669610657800).

Almost surely, 2^{30625042013215} is an apocalyptic number.

30625042013215 is a deficient number, since it is larger than the sum of its proper divisors (12230040085985).

30625042013215 is a wasteful number, since it uses less digits than its factorization.

30625042013215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083416.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 30625042013215 its reverse (51231024052603), we get a palindrome (81856066065818).

The spelling of 30625042013215 in words is "thirty trillion, six hundred twenty-five billion, forty-two million, thirteen thousand, two hundred fifteen".