30511020104203 has 16 divisors (see below), whose sum is σ = 31155294044160. Its totient is φ = 29873422706400.

The previous prime is 30511020104197. The next prime is 30511020104233. The reversal of 30511020104203 is 30240102011503.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30511020104203 - 2²⁹ = 30510483233291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30511020104233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20459373 + ... + 21899953.

It is an arithmetic number, because the mean of its divisors is an integer number (1947205877760).

Almost surely, 2^{30511020104203} is an apocalyptic number.

30511020104203 is a deficient number, since it is larger than the sum of its proper divisors (644273939957).

30511020104203 is a wasteful number, since it uses less digits than its factorization.

30511020104203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442898.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 30511020104203 its reverse (30240102011503), we get a palindrome (60751122115706).

The spelling of 30511020104203 in words is "thirty trillion, five hundred eleven billion, twenty million, one hundred four thousand, two hundred three".