304212115153 has 4 divisors (see below), whose sum is σ = 304216194100. Its totient is φ = 304208036208.

The previous prime is 304212115133. The next prime is 304212115157. The reversal of 304212115153 is 351511212403.

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

It can be written as a sum of positive squares in 2 ways, for example, as 226473195664 + 77738919489 = 475892^2 + 278817^2 .

It is a cyclic number.

It is not a de Polignac number, because 304212115153 - 2²⁹ = 303675244241 is a prime.

It is a super-2 number, since 2×304212115153² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304212115157) 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, 1925478 + ... + 2077471.

It is an arithmetic number, because the mean of its divisors is an integer number (76054048525).

Almost surely, 2^304212115153 is an apocalyptic number.

It is an amenable number.

304212115153 is a deficient number, since it is larger than the sum of its proper divisors (4078947).

304212115153 is an equidigital number, since it uses as much as digits as its factorization.

304212115153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078946.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 304212115153 its reverse (351511212403), we get a palindrome (655723327556).

The spelling of 304212115153 in words is "three hundred four billion, two hundred twelve million, one hundred fifteen thousand, one hundred fifty-three".