131211222023441 has 32 divisors (see below), whose sum is σ = 153655311034368. Its totient is φ = 109699309117440.

The previous prime is 131211222023407. The next prime is 131211222023489. The reversal of 131211222023441 is 144320222112131.

It is not a de Polignac number, because 131211222023441 - 2¹⁰ = 131211222022417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131211222023741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2537270801 + ... + 2537322513.

It is an arithmetic number, because the mean of its divisors is an integer number (4801728469824).

Almost surely, 2^{131211222023441} is an apocalyptic number.

It is an amenable number.

131211222023441 is a deficient number, since it is larger than the sum of its proper divisors (22444089010927).

131211222023441 is a wasteful number, since it uses less digits than its factorization.

131211222023441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63261.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 131211222023441 its reverse (144320222112131), we get a palindrome (275531444135572).

The spelling of 131211222023441 in words is "one hundred thirty-one trillion, two hundred eleven billion, two hundred twenty-two million, twenty-three thousand, four hundred forty-one".