30232303525 has 24 divisors (see below), whose sum is σ = 38795898600. Its totient is φ = 23342726400.

The previous prime is 30232303501. The next prime is 30232303529. The reversal of 30232303525 is 52530323203.

It can be written as a sum of positive squares in 12 ways, for example, as 16642806049 + 13589497476 = 129007^2 + 116574^2 .

It is not a de Polignac number, because 30232303525 - 2¹³ = 30232295333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30232303493 and 30232303502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30232303529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2299671 + ... + 2312779.

It is an arithmetic number, because the mean of its divisors is an integer number (1616495775).

Almost surely, 2^30232303525 is an apocalyptic number.

It is an amenable number.

30232303525 is a deficient number, since it is larger than the sum of its proper divisors (8563595075).

30232303525 is a wasteful number, since it uses less digits than its factorization.

30232303525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16329 (or 16324 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 28.

Adding to 30232303525 its reverse (52530323203), we get a palindrome (82762626728).

The spelling of 30232303525 in words is "thirty billion, two hundred thirty-two million, three hundred three thousand, five hundred twenty-five".