131342441333421 has 16 divisors (see below), whose sum is σ = 179242640444736. Its totient is φ = 85502997422976.

The previous prime is 131342441333419. The next prime is 131342441333483. The reversal of 131342441333421 is 124333144243131.

It is not a de Polignac number, because 131342441333421 - 2¹ = 131342441333419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131342441333421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131342441338421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132320370 + ... + 133309283.

It is an arithmetic number, because the mean of its divisors is an integer number (11202665027796).

Almost surely, 2^{131342441333421} is an apocalyptic number.

It is an amenable number.

131342441333421 is a deficient number, since it is larger than the sum of its proper divisors (47900199111315).

131342441333421 is a wasteful number, since it uses less digits than its factorization.

131342441333421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265633532.

The product of its digits is 248832, while the sum is 39.

Adding to 131342441333421 its reverse (124333144243131), we get a palindrome (255675585576552).

The spelling of 131342441333421 in words is "one hundred thirty-one trillion, three hundred forty-two billion, four hundred forty-one million, three hundred thirty-three thousand, four hundred twenty-one".