131514542350221 has 24 divisors (see below), whose sum is σ = 186277520094624. Its totient is φ = 82517522433280.

The previous prime is 131514542350193. The next prime is 131514542350223. The reversal of 131514542350221 is 122053245415131.

It is not a de Polignac number, because 131514542350221 - 2⁴² = 127116495839117 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131514542350221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131514542350223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50829631 + ... + 53354291.

It is an arithmetic number, because the mean of its divisors is an integer number (7761563337276).

Almost surely, 2^{131514542350221} is an apocalyptic number.

It is an amenable number.

131514542350221 is a deficient number, since it is larger than the sum of its proper divisors (54762977744403).

131514542350221 is a wasteful number, since it uses less digits than its factorization.

131514542350221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584781 (or 2584764 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 131514542350221 its reverse (122053245415131), we get a palindrome (253567787765352).

The spelling of 131514542350221 in words is "one hundred thirty-one trillion, five hundred fourteen billion, five hundred forty-two million, three hundred fifty thousand, two hundred twenty-one".