131423114031421 has 8 divisors (see below), whose sum is σ = 139170181872960. Its totient is φ = 123677856904128.

The previous prime is 131423114031397. The next prime is 131423114031449. The reversal of 131423114031421 is 124130411324131.

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

It is not a de Polignac number, because 131423114031421 - 2²¹ = 131423111934269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131423114031221) 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, 452529121 + ... + 452819446.

It is an arithmetic number, because the mean of its divisors is an integer number (17396272734120).

Almost surely, 2^{131423114031421} is an apocalyptic number.

It is an amenable number.

131423114031421 is a deficient number, since it is larger than the sum of its proper divisors (7747067841539).

131423114031421 is an equidigital number, since it uses as much as digits as its factorization.

131423114031421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905357123.

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

Adding to 131423114031421 its reverse (124130411324131), we get a palindrome (255553525355552).

The spelling of 131423114031421 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred fourteen million, thirty-one thousand, four hundred twenty-one".