131344351253205 has 16 divisors (see below), whose sum is σ = 216930025296384. Its totient is φ = 67790632904640.

The previous prime is 131344351253197. The next prime is 131344351253233. The reversal of 131344351253205 is 502352153443131.

It is not a de Polignac number, because 131344351253205 - 2³ = 131344351253197 is a prime.

It is a super-2 number, since 2×131344351253205² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141230484754 + ... + 141230485683.

It is an arithmetic number, because the mean of its divisors is an integer number (13558126581024).

Almost surely, 2^{131344351253205} is an apocalyptic number.

131344351253205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131344351253205 is a deficient number, since it is larger than the sum of its proper divisors (85585674043179).

131344351253205 is a wasteful number, since it uses less digits than its factorization.

131344351253205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282460970476.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 131344351253205 in words is "one hundred thirty-one trillion, three hundred forty-four billion, three hundred fifty-one million, two hundred fifty-three thousand, two hundred five".