131343444024009 has 64 divisors (see below), whose sum is σ = 209389876236288. Its totient is φ = 71602831872000.

The previous prime is 131343444023999. The next prime is 131343444024031. The reversal of 131343444024009 is 900420444343131.

It is not a de Polignac number, because 131343444024009 - 2¹⁷ = 131343443892937 is a prime.

It is a super-2 number, since 2×131343444024009² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131343444024109) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 364954137 + ... + 365313849.

It is an arithmetic number, because the mean of its divisors is an integer number (3271716816192).

Almost surely, 2^{131343444024009} is an apocalyptic number.

It is an amenable number.

131343444024009 is a deficient number, since it is larger than the sum of its proper divisors (78046432212279).

131343444024009 is a wasteful number, since it uses less digits than its factorization.

131343444024009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361718.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 131343444024009 in words is "one hundred thirty-one trillion, three hundred forty-three billion, four hundred forty-four million, twenty-four thousand, nine".