134220231031211 has 4 divisors (see below), whose sum is σ = 144544864187472. Its totient is φ = 123895597874952.

The previous prime is 134220231031177. The next prime is 134220231031217. The reversal of 134220231031211 is 112130132022431.

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 134220231031211 - 2²⁶ = 134220163922347 is a prime.

It is a super-2 number, since 2×134220231031211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134220231031217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5162316578111 + ... + 5162316578136.

It is an arithmetic number, because the mean of its divisors is an integer number (36136216046868).

Almost surely, 2^{134220231031211} is an apocalyptic number.

134220231031211 is a deficient number, since it is larger than the sum of its proper divisors (10324633156261).

134220231031211 is a wasteful number, since it uses less digits than its factorization.

134220231031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10324633156260.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 134220231031211 its reverse (112130132022431), we get a palindrome (246350363053642).

The spelling of 134220231031211 in words is "one hundred thirty-four trillion, two hundred twenty billion, two hundred thirty-one million, thirty-one thousand, two hundred eleven".