131052220 has 24 divisors (see below), whose sum is σ = 296380224. Its totient is φ = 48388416.

The previous prime is 131052197. The next prime is 131052239. The reversal of 131052220 is 22250131.

It is a junction number, because it is equal to n+sod(n) for n = 131052194 and 131052203.

It is a congruent number.

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, 251764 + ... + 252283.

It is an arithmetic number, because the mean of its divisors is an integer number (12349176).

Almost surely, 2^131052220 is an apocalyptic number.

131052220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131052220 is an abundant number, since it is smaller than the sum of its proper divisors (165328004).

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

131052220 is a wasteful number, since it uses less digits than its factorization.

131052220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504069 (or 504067 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 131052220 is about 11447.8041562563. The cubic root of 131052220 is about 507.9427829413.

The spelling of 131052220 in words is "one hundred thirty-one million, fifty-two thousand, two hundred twenty".