131353450111220 has 48 divisors (see below), whose sum is σ = 285364340105040. Its totient is φ = 50727778397184.

The previous prime is 131353450111189. The next prime is 131353450111231. The reversal of 131353450111220 is 22111054353131.

131353450111220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4394775562384 + 126958674548836 = 2096372^2 + 11267594^2 .

It is a super-2 number, since 2×131353450111220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12063122 + ... + 20204598.

It is an arithmetic number, because the mean of its divisors is an integer number (5945090418855).

Almost surely, 2^{131353450111220} is an apocalyptic number.

131353450111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131353450111220 is an abundant number, since it is smaller than the sum of its proper divisors (154010889993820).

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

131353450111220 is a wasteful number, since it uses less digits than its factorization.

131353450111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8169332 (or 8169330 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 131353450111220 in words is "one hundred thirty-one trillion, three hundred fifty-three billion, four hundred fifty million, one hundred eleven thousand, two hundred twenty".