135522105031 has 4 divisors (see below), whose sum is σ = 135522848272. Its totient is φ = 135521361792.

The previous prime is 135522105007. The next prime is 135522105041. The reversal of 135522105031 is 130501225531.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 130501225531 = 222311 ⋅587021.

It is a cyclic number.

It is not a de Polignac number, because 135522105031 - 2⁷ = 135522104903 is a prime.

It is a super-2 number, since 2×135522105031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135522105041) 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, 109630 + ... + 532036.

It is an arithmetic number, because the mean of its divisors is an integer number (33880712068).

Almost surely, 2^135522105031 is an apocalyptic number.

135522105031 is a deficient number, since it is larger than the sum of its proper divisors (743241).

135522105031 is an equidigital number, since it uses as much as digits as its factorization.

135522105031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743240.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 135522105031 in words is "one hundred thirty-five billion, five hundred twenty-two million, one hundred five thousand, thirty-one".