211304103315 has 16 divisors (see below), whose sum is σ = 342366144000. Its totient is φ = 111268995552.

The previous prime is 211304103289. The next prime is 211304103341. The reversal of 211304103315 is 513301403112.

It is an interprime number because it is at equal distance from previous prime (211304103289) and next prime (211304103341).

It is not a de Polignac number, because 211304103315 - 2⁶ = 211304103251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89156665 + ... + 89159034.

It is an arithmetic number, because the mean of its divisors is an integer number (21397884000).

Almost surely, 2^211304103315 is an apocalyptic number.

211304103315 is a deficient number, since it is larger than the sum of its proper divisors (131062040685).

211304103315 is a wasteful number, since it uses less digits than its factorization.

211304103315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178315786.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 211304103315 its reverse (513301403112), we get a palindrome (724605506427).

The spelling of 211304103315 in words is "two hundred eleven billion, three hundred four million, one hundred three thousand, three hundred fifteen".