131122310211 has 6 divisors (see below), whose sum is σ = 189398892540. Its totient is φ = 87414873468.

The previous prime is 131122310203. The next prime is 131122310219. The reversal of 131122310211 is 112013221131.

131122310211 is a `hidden beast` number, since 1 + 311 + 22 + 310 + 21 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (131122310203) and next prime (131122310219).

It is not a de Polignac number, because 131122310211 - 2³ = 131122310203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131122310219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7284572781 + ... + 7284572798.

It is an arithmetic number, because the mean of its divisors is an integer number (31566482090).

Almost surely, 2^131122310211 is an apocalyptic number.

131122310211 is a deficient number, since it is larger than the sum of its proper divisors (58276582329).

131122310211 is a wasteful number, since it uses less digits than its factorization.

131122310211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14569145585 (or 14569145582 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 131122310211 its reverse (112013221131), we get a palindrome (243135531342).

The spelling of 131122310211 in words is "one hundred thirty-one billion, one hundred twenty-two million, three hundred ten thousand, two hundred eleven".