134312312213 has 4 divisors (see below), whose sum is σ = 134330055468. Its totient is φ = 134294568960.

The previous prime is 134312312179. The next prime is 134312312221. The reversal of 134312312213 is 312213213431.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80461860964 + 53850451249 = 283658^2 + 232057^2 .

It is a cyclic number.

It is not a de Polignac number, because 134312312213 - 2¹⁴ = 134312295829 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 (134312312243) 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, 8860268 + ... + 8875413.

It is an arithmetic number, because the mean of its divisors is an integer number (33582513867).

Almost surely, 2^134312312213 is an apocalyptic number.

It is an amenable number.

134312312213 is a deficient number, since it is larger than the sum of its proper divisors (17743255).

134312312213 is an equidigital number, since it uses as much as digits as its factorization.

134312312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17743254.

The product of its digits is 2592, while the sum is 26.

Adding to 134312312213 its reverse (312213213431), we get a palindrome (446525525644).

The spelling of 134312312213 in words is "one hundred thirty-four billion, three hundred twelve million, three hundred twelve thousand, two hundred thirteen".