131423400342231 has 8 divisors (see below), whose sum is σ = 178959523870464. Its totient is φ = 85751438521080.

The previous prime is 131423400342187. The next prime is 131423400342253. The reversal of 131423400342231 is 132243004324131.

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

It is not a de Polignac number, because 131423400342231 - 2⁶ = 131423400342167 is a prime.

It is a super-2 number, since 2×131423400342231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131423400342192 and 131423400342201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131423400342271) 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, 466040426605 + ... + 466040426886.

It is an arithmetic number, because the mean of its divisors is an integer number (22369940483808).

Almost surely, 2^{131423400342231} is an apocalyptic number.

131423400342231 is a deficient number, since it is larger than the sum of its proper divisors (47536123528233).

131423400342231 is an equidigital number, since it uses as much as digits as its factorization.

131423400342231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932080853541.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 131423400342231 its reverse (132243004324131), we get a palindrome (263666404666362).

The spelling of 131423400342231 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, four hundred million, three hundred forty-two thousand, two hundred thirty-one".