131222320011 has 12 divisors (see below), whose sum is σ = 189547039240. Its totient is φ = 87479844480.

The previous prime is 131222319989. The next prime is 131222320027. The reversal of 131222320011 is 110023222131.

131222320011 is a `hidden beast` number, since 1 + 312 + 22 + 320 + 0 + 11 = 666.

It is not a de Polignac number, because 131222320011 - 2⁶ = 131222319947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131222328011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498555 + ... + 714843.

Almost surely, 2^131222320011 is an apocalyptic number.

131222320011 is a deficient number, since it is larger than the sum of its proper divisors (58324719229).

131222320011 is a wasteful number, since it uses less digits than its factorization.

131222320011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283706 (or 283703 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 131222320011 its reverse (110023222131), we get a palindrome (241245542142).

The spelling of 131222320011 in words is "one hundred thirty-one billion, two hundred twenty-two million, three hundred twenty thousand, eleven".