131444250243 has 8 divisors (see below), whose sum is σ = 179533610256. Its totient is φ = 85492195200.

The previous prime is 131444250239. The next prime is 131444250283. The reversal of 131444250243 is 342052444131.

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

It is not a de Polignac number, because 131444250243 - 2² = 131444250239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131444250233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534326098 + ... + 534326343.

It is an arithmetic number, because the mean of its divisors is an integer number (22441701282).

Almost surely, 2^131444250243 is an apocalyptic number.

131444250243 is a deficient number, since it is larger than the sum of its proper divisors (48089360013).

131444250243 is a wasteful number, since it uses less digits than its factorization.

131444250243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068652485.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 131444250243 its reverse (342052444131), we get a palindrome (473496694374).

The spelling of 131444250243 in words is "one hundred thirty-one billion, four hundred forty-four million, two hundred fifty thousand, two hundred forty-three".