213312430403311 has 4 divisors (see below), whose sum is σ = 213312465935272. Its totient is φ = 213312394871352.

The previous prime is 213312430403287. The next prime is 213312430403323. The reversal of 213312430403311 is 113304034213312.

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

It is a cyclic number.

It is not a de Polignac number, because 213312430403311 - 2¹¹ = 213312430401263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213312430443311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6289836 + ... + 21591361.

It is an arithmetic number, because the mean of its divisors is an integer number (53328116483818).

Almost surely, 2^{213312430403311} is an apocalyptic number.

213312430403311 is a deficient number, since it is larger than the sum of its proper divisors (35531961).

213312430403311 is an equidigital number, since it uses as much as digits as its factorization.

213312430403311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35531960.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 213312430403311 its reverse (113304034213312), we get a palindrome (326616464616623).

The spelling of 213312430403311 in words is "two hundred thirteen trillion, three hundred twelve billion, four hundred thirty million, four hundred three thousand, three hundred eleven".