131000041213221 has 16 divisors (see below), whose sum is σ = 176237062197120. Its totient is φ = 86548406461440.

The previous prime is 131000041213219. The next prime is 131000041213229. The reversal of 131000041213221 is 122312140000131.

It is not a de Polignac number, because 131000041213221 - 2¹ = 131000041213219 is a prime.

It is a super-2 number, since 2×131000041213221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000041213229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24562260 + ... + 29416061.

It is an arithmetic number, because the mean of its divisors is an integer number (11014816387320).

Almost surely, 2^{131000041213221} is an apocalyptic number.

It is an amenable number.

131000041213221 is a deficient number, since it is larger than the sum of its proper divisors (45237020983899).

131000041213221 is a wasteful number, since it uses less digits than its factorization.

131000041213221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53985596.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 131000041213221 its reverse (122312140000131), we get a palindrome (253312181213352).

The spelling of 131000041213221 in words is "one hundred thirty-one trillion, forty-one million, two hundred thirteen thousand, two hundred twenty-one".