215153330131 has 8 divisors (see below), whose sum is σ = 233107302384. Its totient is φ = 197788012800.

The previous prime is 215153330089. The next prime is 215153330201. The reversal of 215153330131 is 131033351512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 215153330131 - 2⁹ = 215153329619 is a prime.

It is a super-2 number, since 2×215153330131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 215153330131.

It is not an unprimeable number, because it can be changed into a prime (215153330531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147162970 + ... + 147164431.

It is an arithmetic number, because the mean of its divisors is an integer number (29138412798).

Almost surely, 2^215153330131 is an apocalyptic number.

215153330131 is a deficient number, since it is larger than the sum of its proper divisors (17953972253).

215153330131 is a wasteful number, since it uses less digits than its factorization.

215153330131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294327461.

The product of its (nonzero) digits is 4050, while the sum is 28.

Adding to 215153330131 its reverse (131033351512), we get a palindrome (346186681643).

The spelling of 215153330131 in words is "two hundred fifteen billion, one hundred fifty-three million, three hundred thirty thousand, one hundred thirty-one".