215213343342 has 16 divisors (see below), whose sum is σ = 430431241680. Its totient is φ = 71737021952.

The previous prime is 215213343341. The next prime is 215213343347. The reversal of 215213343342 is 243343312512.

215213343342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215213343341) 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 7 ways as a sum of consecutive naturals, for example, 963784 + ... + 1165892.

It is an arithmetic number, because the mean of its divisors is an integer number (26901952605).

Almost surely, 2^215213343342 is an apocalyptic number.

215213343342 is an abundant number, since it is smaller than the sum of its proper divisors (215217898338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215213343342 is a wasteful number, since it uses less digits than its factorization.

215213343342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379587.

The product of its digits is 51840, while the sum is 33.

Adding to 215213343342 its reverse (243343312512), we get a palindrome (458556655854).

The spelling of 215213343342 in words is "two hundred fifteen billion, two hundred thirteen million, three hundred forty-three thousand, three hundred forty-two".