214142215331 has 4 divisors (see below), whose sum is σ = 233609689464. Its totient is φ = 194674741200.

The previous prime is 214142215247. The next prime is 214142215361. The reversal of 214142215331 is 133512241412.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214142215331 is a prime.

It is a super-2 number, since 2×214142215331² (a number of 23 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 = 214142215294 and 214142215303.

It is not an unprimeable number, because it can be changed into a prime (214142215361) 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, 9733737050 + ... + 9733737071.

It is an arithmetic number, because the mean of its divisors is an integer number (58402422366).

Almost surely, 2^214142215331 is an apocalyptic number.

214142215331 is a deficient number, since it is larger than the sum of its proper divisors (19467474133).

214142215331 is a wasteful number, since it uses less digits than its factorization.

214142215331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19467474132.

The product of its digits is 5760, while the sum is 29.

Adding to 214142215331 its reverse (133512241412), we get a palindrome (347654456743).

The spelling of 214142215331 in words is "two hundred fourteen billion, one hundred forty-two million, two hundred fifteen thousand, three hundred thirty-one".