134321110531 has 4 divisors (see below), whose sum is σ = 134719689832. Its totient is φ = 133922531232.

The previous prime is 134321110513. The next prime is 134321110541. The reversal of 134321110531 is 135011123431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135011123431 = 3343 ⋅40386217.

It is a cyclic number.

It is not a de Polignac number, because 134321110531 - 2¹¹ = 134321108483 is a prime.

It is a super-2 number, since 2×134321110531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134321110496 and 134321110505.

It is not an unprimeable number, because it can be changed into a prime (134321110541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199289145 + ... + 199289818.

It is an arithmetic number, because the mean of its divisors is an integer number (33679922458).

Almost surely, 2^134321110531 is an apocalyptic number.

134321110531 is a deficient number, since it is larger than the sum of its proper divisors (398579301).

134321110531 is an equidigital number, since it uses as much as digits as its factorization.

134321110531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398579300.

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 134321110531 its reverse (135011123431), we get a palindrome (269332233962).

The spelling of 134321110531 in words is "one hundred thirty-four billion, three hundred twenty-one million, one hundred ten thousand, five hundred thirty-one".