131021444431419 has 32 divisors (see below), whose sum is σ = 177598348200000. Its totient is φ = 85911737518080.

The previous prime is 131021444431333. The next prime is 131021444431439. The reversal of 131021444431419 is 914134444120131.

It is a happy number.

It is not a de Polignac number, because 131021444431419 - 2¹³ = 131021444423227 is a prime.

It is a super-2 number, since 2×131021444431419² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131021444431439) 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 31 ways as a sum of consecutive naturals, for example, 15376207 + ... + 22326455.

It is an arithmetic number, because the mean of its divisors is an integer number (5549948381250).

Almost surely, 2^{131021444431419} is an apocalyptic number.

131021444431419 is a deficient number, since it is larger than the sum of its proper divisors (46576903768581).

131021444431419 is a wasteful number, since it uses less digits than its factorization.

131021444431419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6950815.

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 131021444431419 in words is "one hundred thirty-one trillion, twenty-one billion, four hundred forty-four million, four hundred thirty-one thousand, four hundred nineteen".