131000200423221 has 8 divisors (see below), whose sum is σ = 174673094884864. Its totient is φ = 87330386455200.

The previous prime is 131000200423217. The next prime is 131000200423247. The reversal of 131000200423221 is 122324002000131.

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

It is not a de Polignac number, because 131000200423221 - 2² = 131000200423217 is a prime.

It is a super-2 number, since 2×131000200423221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000200423291) 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, 770024176 + ... + 770194281.

It is an arithmetic number, because the mean of its divisors is an integer number (21834136860608).

Almost surely, 2^{131000200423221} is an apocalyptic number.

It is an amenable number.

131000200423221 is a deficient number, since it is larger than the sum of its proper divisors (43672894461643).

131000200423221 is a wasteful number, since it uses less digits than its factorization.

131000200423221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540246811.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 131000200423221 its reverse (122324002000131), we get a palindrome (253324202423352).

The spelling of 131000200423221 in words is "one hundred thirty-one trillion, two hundred million, four hundred twenty-three thousand, two hundred twenty-one".