131043322145 has 16 divisors (see below), whose sum is σ = 165572163840. Its totient is φ = 99290790144.

The previous prime is 131043322099. The next prime is 131043322187. The reversal of 131043322145 is 541223340131.

It is a cyclic number.

It is not a de Polignac number, because 131043322145 - 2¹⁰ = 131043321121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182777 + ... + 543593.

It is an arithmetic number, because the mean of its divisors is an integer number (10348260240).

Almost surely, 2^131043322145 is an apocalyptic number.

It is an amenable number.

131043322145 is a deficient number, since it is larger than the sum of its proper divisors (34528841695).

131043322145 is a wasteful number, since it uses less digits than its factorization.

131043322145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364664.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 131043322145 its reverse (541223340131), we get a palindrome (672266662276).

The spelling of 131043322145 in words is "one hundred thirty-one billion, forty-three million, three hundred twenty-two thousand, one hundred forty-five".