30104203525 has 12 divisors (see below), whose sum is σ = 40722777504. Its totient is φ = 21893966000.

The previous prime is 30104203523. The next prime is 30104203541. The reversal of 30104203525 is 52530240103.

It is not a de Polignac number, because 30104203525 - 2¹ = 30104203523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30104203525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30104203523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54734641 + ... + 54735190.

It is an arithmetic number, because the mean of its divisors is an integer number (3393564792).

Almost surely, 2^30104203525 is an apocalyptic number.

It is an amenable number.

30104203525 is a deficient number, since it is larger than the sum of its proper divisors (10618573979).

30104203525 is a wasteful number, since it uses less digits than its factorization.

30104203525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109469852 (or 109469847 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 30104203525 its reverse (52530240103), we get a palindrome (82634443628).

The spelling of 30104203525 in words is "thirty billion, one hundred four million, two hundred three thousand, five hundred twenty-five".