131211440133441 has 8 divisors (see below), whose sum is σ = 175864548033024. Its totient is φ = 87016312828080.

The previous prime is 131211440133391. The next prime is 131211440133469. The reversal of 131211440133441 is 144331044112131.

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

It is not a de Polignac number, because 131211440133441 - 2¹⁷ = 131211440002369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131211440131441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114495147886 + ... + 114495149031.

It is an arithmetic number, because the mean of its divisors is an integer number (21983068504128).

Almost surely, 2^{131211440133441} is an apocalyptic number.

It is an amenable number.

131211440133441 is a deficient number, since it is larger than the sum of its proper divisors (44653107899583).

131211440133441 is a wasteful number, since it uses less digits than its factorization.

131211440133441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228990297111.

The product of its (nonzero) digits is 13824, while the sum is 33.

Adding to 131211440133441 its reverse (144331044112131), we get a palindrome (275542484245572).

The spelling of 131211440133441 in words is "one hundred thirty-one trillion, two hundred eleven billion, four hundred forty million, one hundred thirty-three thousand, four hundred forty-one".