131344351512220 has 96 divisors (see below), whose sum is σ = 345783302032896. Its totient is φ = 40712319532800.

The previous prime is 131344351512217. The next prime is 131344351512247. The reversal of 131344351512220 is 22215153443131.

It is a self number, because there is not a number n which added to its sum of digits gives 131344351512220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235324962 + ... + 235882441.

It is an arithmetic number, because the mean of its divisors is an integer number (3601909396176).

Almost surely, 2^{131344351512220} is an apocalyptic number.

131344351512220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131344351512220 is an abundant number, since it is smaller than the sum of its proper divisors (214438950520676).

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

131344351512220 is a wasteful number, since it uses less digits than its factorization.

131344351512220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471207611 (or 471207609 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 131344351512220 in words is "one hundred thirty-one trillion, three hundred forty-four billion, three hundred fifty-one million, five hundred twelve thousand, two hundred twenty".