131102341320541 has 4 divisors (see below), whose sum is σ = 131116257298684. Its totient is φ = 131088425342400.

The previous prime is 131102341320487. The next prime is 131102341320611. The reversal of 131102341320541 is 145023143201131.

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 11763212500516 + 119339128820025 = 3429754^2 + 10924245^2 .

It is a cyclic number.

It is not a de Polignac number, because 131102341320541 - 2³⁹ = 130552585506653 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 (131102341320941) 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, 6957974940 + ... + 6957993781.

It is an arithmetic number, because the mean of its divisors is an integer number (32779064324671).

Almost surely, 2^{131102341320541} is an apocalyptic number.

It is an amenable number.

131102341320541 is a deficient number, since it is larger than the sum of its proper divisors (13915978143).

131102341320541 is an equidigital number, since it uses as much as digits as its factorization.

131102341320541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13915978142.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 131102341320541 its reverse (145023143201131), we get a palindrome (276125484521672).

The spelling of 131102341320541 in words is "one hundred thirty-one trillion, one hundred two billion, three hundred forty-one million, three hundred twenty thousand, five hundred forty-one".