131223101412320 has 24 divisors (see below), whose sum is σ = 310014577086984. Its totient is φ = 52489240564864.

The previous prime is 131223101412313. The next prime is 131223101412331. The reversal of 131223101412320 is 23214101322131.

It is a self number, because there is not a number n which added to its sum of digits gives 131223101412320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410072191754 + ... + 410072192073.

It is an arithmetic number, because the mean of its divisors is an integer number (12917274045291).

Almost surely, 2^{131223101412320} is an apocalyptic number.

131223101412320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131223101412320 is an abundant number, since it is smaller than the sum of its proper divisors (178791475674664).

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

131223101412320 is an equidigital number, since it uses as much as digits as its factorization.

131223101412320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820144383842 (or 820144383834 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 131223101412320 its reverse (23214101322131), we get a palindrome (154437202734451).

The spelling of 131223101412320 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, one hundred one million, four hundred twelve thousand, three hundred twenty".