131423400243303 has 48 divisors (see below), whose sum is σ = 214575369120000. Its totient is φ = 71144329753728.

The previous prime is 131423400243281. The next prime is 131423400243371. The reversal of 131423400243303 is 303342004324131.

It is a happy number.

It is not a de Polignac number, because 131423400243303 - 2¹⁷ = 131423400112231 is a prime.

It is a super-2 number, since 2×131423400243303² (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 (131423400243103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 92944798 + ... + 94348196.

It is an arithmetic number, because the mean of its divisors is an integer number (4470320190000).

Almost surely, 2^{131423400243303} is an apocalyptic number.

131423400243303 is a deficient number, since it is larger than the sum of its proper divisors (83151968876697).

131423400243303 is a wasteful number, since it uses less digits than its factorization.

131423400243303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436964 (or 1436957 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 131423400243303 its reverse (303342004324131), we get a palindrome (434765404567434).

The spelling of 131423400243303 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, four hundred million, two hundred forty-three thousand, three hundred three".