131223122303232 has 72 divisors (see below), whose sum is σ = 349246631521984. Its totient is φ = 43740820445184.

The previous prime is 131223122303179. The next prime is 131223122303261. The reversal of 131223122303232 is 232303221322131.

It is a self number, because there is not a number n which added to its sum of digits gives 131223122303232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238337253 + ... + 238887195.

Almost surely, 2^{131223122303232} is an apocalyptic number.

131223122303232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131223122303232 is an abundant number, since it is smaller than the sum of its proper divisors (218023509218752).

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

131223122303232 is an equidigital number, since it uses as much as digits as its factorization.

131223122303232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860655 (or 860641 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 131223122303232 its reverse (232303221322131), we get a palindrome (363526343625363).

The spelling of 131223122303232 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, one hundred twenty-two million, three hundred three thousand, two hundred thirty-two".