131141413441421 has 8 divisors (see below), whose sum is σ = 131200307611800. Its totient is φ = 131082520242240.

The previous prime is 131141413441411. The next prime is 131141413441463. The reversal of 131141413441421 is 124144314141131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18214022948521 + 112927390492900 = 4267789^2 + 10626730^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131141413441421 - 2³⁰ = 131140339699597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131141413441411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492396431 + ... + 492662691.

It is an arithmetic number, because the mean of its divisors is an integer number (16400038451475).

Almost surely, 2^{131141413441421} is an apocalyptic number.

It is an amenable number.

131141413441421 is a deficient number, since it is larger than the sum of its proper divisors (58894170379).

131141413441421 is a wasteful number, since it uses less digits than its factorization.

131141413441421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485599.

The product of its digits is 18432, while the sum is 35.

Adding to 131141413441421 its reverse (124144314141131), we get a palindrome (255285727582552).

The spelling of 131141413441421 in words is "one hundred thirty-one trillion, one hundred forty-one billion, four hundred thirteen million, four hundred forty-one thousand, four hundred twenty-one".