131102231011 has 2 divisors, whose sum is σ = 131102231012. Its totient is φ = 131102231010.

The previous prime is 131102230993. The next prime is 131102231033. The reversal of 131102231011 is 110132201131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131102231011 - 2²⁷ = 130968013283 is a prime.

It is a super-2 number, since 2×131102231011² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131102231111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65551115505 + 65551115506.

It is an arithmetic number, because the mean of its divisors is an integer number (65551115506).

Almost surely, 2^131102231011 is an apocalyptic number.

131102231011 is a deficient number, since it is larger than the sum of its proper divisors (1).

131102231011 is an equidigital number, since it uses as much as digits as its factorization.

131102231011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 131102231011 its reverse (110132201131), we get a palindrome (241234432142).

The spelling of 131102231011 in words is "one hundred thirty-one billion, one hundred two million, two hundred thirty-one thousand, eleven".