131406321216 has 56 divisors (see below), whose sum is σ = 352441991584. Its totient is φ = 43202073600.

The previous prime is 131406321133. The next prime is 131406321227. The reversal of 131406321216 is 612123604131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4673710 + ... + 4701741.

Almost surely, 2^131406321216 is an apocalyptic number.

131406321216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131406321216 is an abundant number, since it is smaller than the sum of its proper divisors (221035670368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131406321216 is an equidigital number, since it uses as much as digits as its factorization.

131406321216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9375539 (or 9375529 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 131406321216 its reverse (612123604131), we get a palindrome (743529925347).

The spelling of 131406321216 in words is "one hundred thirty-one billion, four hundred six million, three hundred twenty-one thousand, two hundred sixteen".