131232343441222 has 64 divisors (see below), whose sum is σ = 209256977615616. Its totient is φ = 61645106073600.

The previous prime is 131232343441169. The next prime is 131232343441229. The reversal of 131232343441222 is 222144343232131.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131232343441229) 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, 106331472 + ... + 107558572.

It is an arithmetic number, because the mean of its divisors is an integer number (3269640275244).

Almost surely, 2^{131232343441222} is an apocalyptic number.

131232343441222 is a deficient number, since it is larger than the sum of its proper divisors (78024634174394).

131232343441222 is a wasteful number, since it uses less digits than its factorization.

131232343441222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227601.

The product of its digits is 165888, while the sum is 37.

Adding to 131232343441222 its reverse (222144343232131), we get a palindrome (353376686673353).

The spelling of 131232343441222 in words is "one hundred thirty-one trillion, two hundred thirty-two billion, three hundred forty-three million, four hundred forty-one thousand, two hundred twenty-two".