131421445412011 has 24 divisors (see below), whose sum is σ = 134505678827520. Its totient is φ = 128406494662992.

The previous prime is 131421445411987. The next prime is 131421445412021. The reversal of 131421445412011 is 110214544124131.

It is not a de Polignac number, because 131421445412011 - 2¹¹ = 131421445409963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131421445412021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3602642070 + ... + 3602678548.

It is an arithmetic number, because the mean of its divisors is an integer number (5604403284480).

Almost surely, 2^{131421445412011} is an apocalyptic number.

131421445412011 is a deficient number, since it is larger than the sum of its proper divisors (3084233415509).

131421445412011 is an equidigital number, since it uses as much as digits as its factorization.

131421445412011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39303 (or 39256 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

Adding to 131421445412011 its reverse (110214544124131), we get a palindrome (241635989536142).

The spelling of 131421445412011 in words is "one hundred thirty-one trillion, four hundred twenty-one billion, four hundred forty-five million, four hundred twelve thousand, eleven".