131224240323 has 32 divisors (see below), whose sum is σ = 212222726400. Its totient is φ = 79476163200.

The previous prime is 131224240321. The next prime is 131224240331. The reversal of 131224240323 is 323042422131.

131224240323 is a `hidden beast` number, since 1 + 3 + 12 + 242 + 403 + 2 + 3 = 666.

It is not a de Polignac number, because 131224240323 - 2¹ = 131224240321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (131224240321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293868 + ... + 590598.

It is an arithmetic number, because the mean of its divisors is an integer number (6631960200).

Almost surely, 2^131224240323 is an apocalyptic number.

131224240323 is a deficient number, since it is larger than the sum of its proper divisors (80998486077).

131224240323 is a wasteful number, since it uses less digits than its factorization.

131224240323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298240 (or 298234 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 131224240323 its reverse (323042422131), we get a palindrome (454266662454).

The spelling of 131224240323 in words is "one hundred thirty-one billion, two hundred twenty-four million, two hundred forty thousand, three hundred twenty-three".