131132102243231 has 4 divisors (see below), whose sum is σ = 138033791835000. Its totient is φ = 124230412651464.

The previous prime is 131132102243209. The next prime is 131132102243237. The reversal of 131132102243231 is 132342201231131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131132102243231 - 2¹⁴ = 131132102226847 is a prime.

It is a super-2 number, since 2×131132102243231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131132102243194 and 131132102243203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131132102243237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3450844795856 + ... + 3450844795893.

It is an arithmetic number, because the mean of its divisors is an integer number (34508447958750).

Almost surely, 2^{131132102243231} is an apocalyptic number.

131132102243231 is a deficient number, since it is larger than the sum of its proper divisors (6901689591769).

131132102243231 is an equidigital number, since it uses as much as digits as its factorization.

131132102243231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901689591768.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 131132102243231 its reverse (132342201231131), we get a palindrome (263474303474362).

The spelling of 131132102243231 in words is "one hundred thirty-one trillion, one hundred thirty-two billion, one hundred two million, two hundred forty-three thousand, two hundred thirty-one".