11214320331213 has 12 divisors (see below), whose sum is σ = 16198738496668. Its totient is φ = 7476086263680.

The previous prime is 11214320331173. The next prime is 11214320331257. The reversal of 11214320331213 is 31213302341211.

11214320331213 is a `hidden beast` number, since 1 + 1 + 2 + 1 + 4 + 320 + 331 + 2 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6840458392329 + 4373861938884 = 2615427^2 + 2091378^2 .

It is not a de Polignac number, because 11214320331213 - 2²⁸ = 11214051895757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11214320332213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10048018 + ... + 11108163.

Almost surely, 2^{11214320331213} is an apocalyptic number.

It is an amenable number.

11214320331213 is a deficient number, since it is larger than the sum of its proper divisors (4984418165455).

11214320331213 is a wasteful number, since it uses less digits than its factorization.

11214320331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21215084 (or 21215081 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 11214320331213 its reverse (31213302341211), we get a palindrome (42427622672424).

The spelling of 11214320331213 in words is "eleven trillion, two hundred fourteen billion, three hundred twenty million, three hundred thirty-one thousand, two hundred thirteen".