30505003451 has 12 divisors (see below), whose sum is σ = 33038780472. Its totient is φ = 28152723456.

The previous prime is 30505003447. The next prime is 30505003513. The reversal of 30505003451 is 15430050503.

It is not a de Polignac number, because 30505003451 - 2² = 30505003447 is a prime.

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 30505003451.

It is not an unprimeable number, because it can be changed into a prime (30505003421) 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, 969275 + ... + 1000251.

It is an arithmetic number, because the mean of its divisors is an integer number (2753231706).

Almost surely, 2^30505003451 is an apocalyptic number.

30505003451 is a deficient number, since it is larger than the sum of its proper divisors (2533777021).

30505003451 is a wasteful number, since it uses less digits than its factorization.

30505003451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36830 (or 36817 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 30505003451 its reverse (15430050503), we get a palindrome (45935053954).

The spelling of 30505003451 in words is "thirty billion, five hundred five million, three thousand, four hundred fifty-one".