131141124033421 has 4 divisors (see below), whose sum is σ = 131689831665600. Its totient is φ = 130592416401244.

The previous prime is 131141124033343. The next prime is 131141124033431. The reversal of 131141124033421 is 124330421141131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131141124033421 - 2¹⁹ = 131141123509133 is a prime.

It is a super-2 number, since 2×131141124033421² (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 (131141124033431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274353815731 + ... + 274353816208.

It is an arithmetic number, because the mean of its divisors is an integer number (32922457916400).

Almost surely, 2^{131141124033421} is an apocalyptic number.

It is an amenable number.

131141124033421 is a deficient number, since it is larger than the sum of its proper divisors (548707632179).

131141124033421 is an equidigital number, since it uses as much as digits as its factorization.

131141124033421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548707632178.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 131141124033421 its reverse (124330421141131), we get a palindrome (255471545174552).

The spelling of 131141124033421 in words is "one hundred thirty-one trillion, one hundred forty-one billion, one hundred twenty-four million, thirty-three thousand, four hundred twenty-one".