215334130453331 has 4 divisors (see below), whose sum is σ = 215335541347200. Its totient is φ = 215332719559464.

The previous prime is 215334130453319. The next prime is 215334130453367. The reversal of 215334130453331 is 133354031433512.

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 215334130453331 - 2¹⁴ = 215334130436947 is a prime.

It is a super-2 number, since 2×215334130453331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215334130453531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705217976 + ... + 705523253.

It is an arithmetic number, because the mean of its divisors is an integer number (53833885336800).

Almost surely, 2^{215334130453331} is an apocalyptic number.

215334130453331 is a deficient number, since it is larger than the sum of its proper divisors (1410893869).

215334130453331 is a wasteful number, since it uses less digits than its factorization.

215334130453331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410893868.

The product of its (nonzero) digits is 583200, while the sum is 41.

Adding to 215334130453331 its reverse (133354031433512), we get a palindrome (348688161886843).

The spelling of 215334130453331 in words is "two hundred fifteen trillion, three hundred thirty-four billion, one hundred thirty million, four hundred fifty-three thousand, three hundred thirty-one".