215312113313134 has 16 divisors (see below), whose sum is σ = 323021831311872. Its totient is φ = 107638170068448.

The previous prime is 215312113313117. The next prime is 215312113313177. The reversal of 215312113313134 is 431313311213512.

It is a happy number.

It is a super-2 number, since 2×215312113313134² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 215312113313134.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1497824467 + ... + 1497968209.

It is an arithmetic number, because the mean of its divisors is an integer number (20188864456992).

Almost surely, 2^{215312113313134} is an apocalyptic number.

215312113313134 is a deficient number, since it is larger than the sum of its proper divisors (107709717998738).

215312113313134 is a wasteful number, since it uses less digits than its factorization.

215312113313134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262971.

The product of its digits is 19440, while the sum is 34.

Adding to 215312113313134 its reverse (431313311213512), we get a palindrome (646625424526646).

The spelling of 215312113313134 in words is "two hundred fifteen trillion, three hundred twelve billion, one hundred thirteen million, three hundred thirteen thousand, one hundred thirty-four".