213122133313 has 8 divisors (see below), whose sum is σ = 214610131008. Its totient is φ = 211636657584.

The previous prime is 213122133293. The next prime is 213122133359. The reversal of 213122133313 is 313331221312.

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 213122133313 - 2⁵ = 213122133281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213122143313) 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, 460731 + ... + 799072.

It is an arithmetic number, because the mean of its divisors is an integer number (26826266376).

Almost surely, 2^213122133313 is an apocalyptic number.

It is an amenable number.

213122133313 is a deficient number, since it is larger than the sum of its proper divisors (1487997695).

213122133313 is a wasteful number, since it uses less digits than its factorization.

213122133313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260983.

The product of its digits is 1944, while the sum is 25.

Adding to 213122133313 its reverse (313331221312), we get a palindrome (526453354625).

The spelling of 213122133313 in words is "two hundred thirteen billion, one hundred twenty-two million, one hundred thirty-three thousand, three hundred thirteen".