215143302342 has 16 divisors (see below), whose sum is σ = 430300719360. Its totient is φ = 71712081672.

The previous prime is 215143302263. The next prime is 215143302371. The reversal of 215143302342 is 243203341512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384538 + ... + 760365.

It is an arithmetic number, because the mean of its divisors is an integer number (26893794960).

Almost surely, 2^215143302342 is an apocalyptic number.

215143302342 is an abundant number, since it is smaller than the sum of its proper divisors (215157417018).

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

215143302342 is a wasteful number, since it uses less digits than its factorization.

215143302342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176227.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 215143302342 its reverse (243203341512), we get a palindrome (458346643854).

The spelling of 215143302342 in words is "two hundred fifteen billion, one hundred forty-three million, three hundred two thousand, three hundred forty-two".