30204102031 has 4 divisors (see below), whose sum is σ = 30654909592. Its totient is φ = 29753294472.

The previous prime is 30204102029. The next prime is 30204102041. The reversal of 30204102031 is 13020140203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30204102031 - 2¹ = 30204102029 is a prime.

It is a super-2 number, since 2×30204102031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30204101996 and 30204102014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30204102041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225403680 + ... + 225403813.

It is an arithmetic number, because the mean of its divisors is an integer number (7663727398).

Almost surely, 2^30204102031 is an apocalyptic number.

30204102031 is a deficient number, since it is larger than the sum of its proper divisors (450807561).

30204102031 is an equidigital number, since it uses as much as digits as its factorization.

30204102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450807560.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30204102031 its reverse (13020140203), we get a palindrome (43224242234).

The spelling of 30204102031 in words is "thirty billion, two hundred four million, one hundred two thousand, thirty-one".