131404512042243 has 24 divisors (see below), whose sum is σ = 212657916300336. Its totient is φ = 77486690145600.

The previous prime is 131404512042113. The next prime is 131404512042319. The reversal of 131404512042243 is 342240215404131.

131404512042243 is a `hidden beast` number, since 1 + 3 + 1 + 404 + 5 + 1 + 2 + 0 + 4 + 2 + 243 = 666.

It is not a de Polignac number, because 131404512042243 - 2¹³ = 131404512034051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131404512042198 and 131404512042207.

It is not an unprimeable number, because it can be changed into a prime (131404512042043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17936730168 + ... + 17936737493.

It is an arithmetic number, because the mean of its divisors is an integer number (8860746512514).

Almost surely, 2^{131404512042243} is an apocalyptic number.

131404512042243 is a deficient number, since it is larger than the sum of its proper divisors (81253404258093).

131404512042243 is a wasteful number, since it uses less digits than its factorization.

131404512042243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35873467715 (or 35873467712 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

Adding to 131404512042243 its reverse (342240215404131), we get a palindrome (473644727446374).

The spelling of 131404512042243 in words is "one hundred thirty-one trillion, four hundred four billion, five hundred twelve million, forty-two thousand, two hundred forty-three".