304031034120213 has 16 divisors (see below), whose sum is σ = 450467935368000. Its totient is φ = 202664141244720.

The previous prime is 304031034120179. The next prime is 304031034120257. The reversal of 304031034120213 is 312021430130403.

It is a happy number.

304031034120213 is a `hidden beast` number, since 3 + 0 + 4 + 0 + 31 + 0 + 3 + 412 + 0 + 213 = 666.

It is not a de Polignac number, because 304031034120213 - 2²⁵ = 304031000565781 is a prime.

It is a super-2 number, since 2×304031034120213² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304031034120263) 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, 644616438 + ... + 645087911.

It is an arithmetic number, because the mean of its divisors is an integer number (28154245960500).

Almost surely, 2^{304031034120213} is an apocalyptic number.

It is an amenable number.

304031034120213 is a deficient number, since it is larger than the sum of its proper divisors (146436901247787).

304031034120213 is a wasteful number, since it uses less digits than its factorization.

304031034120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289713089 (or 1289713083 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 304031034120213 its reverse (312021430130403), we get a palindrome (616052464250616).

The spelling of 304031034120213 in words is "three hundred four trillion, thirty-one billion, thirty-four million, one hundred twenty thousand, two hundred thirteen".