215312014 has 4 divisors (see below), whose sum is σ = 322968024. Its totient is φ = 107656006.

The previous prime is 215312011. The next prime is 215312057. The reversal of 215312014 is 410213512.

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

It is a junction number, because it is equal to n+sod(n) for n = 215311982 and 215312000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215312011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53828002 + ... + 53828005.

It is an arithmetic number, because the mean of its divisors is an integer number (80742006).

Almost surely, 2^215312014 is an apocalyptic number.

215312014 is a deficient number, since it is larger than the sum of its proper divisors (107656010).

215312014 is a wasteful number, since it uses less digits than its factorization.

215312014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107656009.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 215312014 is about 14673.5140303882. The cubic root of 215312014 is about 599.3622983938.

Adding to 215312014 its reverse (410213512), we get a palindrome (625525526).

The spelling of 215312014 in words is "two hundred fifteen million, three hundred twelve thousand, fourteen".