131223341000442 has 8 divisors (see below), whose sum is σ = 262446682000896. Its totient is φ = 43741113666812.

The previous prime is 131223341000441. The next prime is 131223341000443. The reversal of 131223341000442 is 244000143322131.

It is an interprime number because it is at equal distance from previous prime (131223341000441) and next prime (131223341000443).

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

131223341000442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (131223341000441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10935278416698 + ... + 10935278416709.

It is an arithmetic number, because the mean of its divisors is an integer number (32805835250112).

Almost surely, 2^{131223341000442} is an apocalyptic number.

131223341000442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131223341000442 is a wasteful number, since it uses less digits than its factorization.

131223341000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21870556833412.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 131223341000442 its reverse (244000143322131), we get a palindrome (375223484322573).

The spelling of 131223341000442 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, three hundred forty-one million, four hundred forty-two", and thus it is an aban number.