131442345210305 has 16 divisors (see below), whose sum is σ = 160923146978304. Its totient is φ = 103042088497920.

The previous prime is 131442345210251. The next prime is 131442345210307. The reversal of 131442345210305 is 503012543244131.

It is not a de Polignac number, because 131442345210305 - 2²⁰ = 131442344161729 is a prime.

It is a super-2 number, since 2×131442345210305² (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 (131442345210307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027070072 + ... + 1027198041.

It is an arithmetic number, because the mean of its divisors is an integer number (10057696686144).

Almost surely, 2^{131442345210305} is an apocalyptic number.

It is an amenable number.

131442345210305 is a deficient number, since it is larger than the sum of its proper divisors (29480801767999).

131442345210305 is a wasteful number, since it uses less digits than its factorization.

131442345210305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054268376.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 131442345210305 its reverse (503012543244131), we get a palindrome (634454888454436).

The spelling of 131442345210305 in words is "one hundred thirty-one trillion, four hundred forty-two billion, three hundred forty-five million, two hundred ten thousand, three hundred five".