131011110233 has 2 divisors, whose sum is σ = 131011110234. Its totient is φ = 131011110232.

The previous prime is 131011110203. The next prime is 131011110311. The reversal of 131011110233 is 332011110131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126005830729 + 5005279504 = 354973^2 + 70748^2 .

It is a cyclic number.

It is not a de Polignac number, because 131011110233 - 2²² = 131006915929 is a prime.

It is a super-2 number, since 2×131011110233² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131011110203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65505555116 + 65505555117.

It is an arithmetic number, because the mean of its divisors is an integer number (65505555117).

Almost surely, 2^131011110233 is an apocalyptic number.

It is an amenable number.

131011110233 is a deficient number, since it is larger than the sum of its proper divisors (1).

131011110233 is an equidigital number, since it uses as much as digits as its factorization.

131011110233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 131011110233 its reverse (332011110131), we get a palindrome (463022220364).

The spelling of 131011110233 in words is "one hundred thirty-one billion, eleven million, one hundred ten thousand, two hundred thirty-three".