302135422133 has 4 divisors (see below), whose sum is σ = 302138893740. Its totient is φ = 302131950528.

The previous prime is 302135422129. The next prime is 302135422153. The reversal of 302135422133 is 331224531203.

It is a happy number.

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 211680047569 + 90455374564 = 460087^2 + 300758^2 .

It is a cyclic number.

It is not a de Polignac number, because 302135422133 - 2² = 302135422129 is a prime.

It is a super-2 number, since 2×302135422133² (a number of 24 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 = 302135422096 and 302135422105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302135422153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1601810 + ... + 1780467.

It is an arithmetic number, because the mean of its divisors is an integer number (75534723435).

Almost surely, 2^302135422133 is an apocalyptic number.

It is an amenable number.

302135422133 is a deficient number, since it is larger than the sum of its proper divisors (3471607).

302135422133 is an equidigital number, since it uses as much as digits as its factorization.

302135422133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471606.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 302135422133 its reverse (331224531203), we get a palindrome (633359953336).

The spelling of 302135422133 in words is "three hundred two billion, one hundred thirty-five million, four hundred twenty-two thousand, one hundred thirty-three".