131243222234155 has 32 divisors (see below), whose sum is σ = 160559937635328. Its totient is φ = 102966127017600.

The previous prime is 131243222234107. The next prime is 131243222234171. The reversal of 131243222234155 is 551432222342131.

It is not a de Polignac number, because 131243222234155 - 2⁷ = 131243222234027 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60650952 + ... + 62777578.

It is an arithmetic number, because the mean of its divisors is an integer number (5017498051104).

Almost surely, 2^{131243222234155} is an apocalyptic number.

131243222234155 is a deficient number, since it is larger than the sum of its proper divisors (29316715401173).

131243222234155 is a wasteful number, since it uses less digits than its factorization.

131243222234155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127627.

The product of its digits is 345600, while the sum is 40.

Adding to 131243222234155 its reverse (551432222342131), we get a palindrome (682675444576286).

The spelling of 131243222234155 in words is "one hundred thirty-one trillion, two hundred forty-three billion, two hundred twenty-two million, two hundred thirty-four thousand, one hundred fifty-five".