213231323031213 has 8 divisors (see below), whose sum is σ = 284308502784768. Its totient is φ = 142154179315904.

The previous prime is 213231323031197. The next prime is 213231323031277. The reversal of 213231323031213 is 312130323132312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213231323031213 - 2⁴ = 213231323031197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213231323032213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11403445 + ... + 23590277.

It is an arithmetic number, because the mean of its divisors is an integer number (35538562848096).

Almost surely, 2^{213231323031213} is an apocalyptic number.

It is an amenable number.

213231323031213 is a deficient number, since it is larger than the sum of its proper divisors (71077179753555).

213231323031213 is a wasteful number, since it uses less digits than its factorization.

213231323031213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18019123.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 213231323031213 its reverse (312130323132312), we get a palindrome (525361646163525).

The spelling of 213231323031213 in words is "two hundred thirteen trillion, two hundred thirty-one billion, three hundred twenty-three million, thirty-one thousand, two hundred thirteen".