30135323525 has 24 divisors (see below), whose sum is σ = 37620839880. Its totient is φ = 23945564160.

The previous prime is 30135323507. The next prime is 30135323551. The reversal of 30135323525 is 52532353103.

It can be written as a sum of positive squares in 12 ways, for example, as 27646710529 + 2488612996 = 166273^2 + 49886^2 .

It is not a de Polignac number, because 30135323525 - 2⁶ = 30135323461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30135323491 and 30135323500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2259677 + ... + 2272973.

It is an arithmetic number, because the mean of its divisors is an integer number (1567534995).

Almost surely, 2^30135323525 is an apocalyptic number.

It is an amenable number.

30135323525 is a deficient number, since it is larger than the sum of its proper divisors (7485516355).

30135323525 is a wasteful number, since it uses less digits than its factorization.

30135323525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13913 (or 13908 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 32.

Adding to 30135323525 its reverse (52532353103), we get a palindrome (82667676628).

The spelling of 30135323525 in words is "thirty billion, one hundred thirty-five million, three hundred twenty-three thousand, five hundred twenty-five".