131052226520 has 32 divisors (see below), whose sum is σ = 295512775200. Its totient is φ = 52306176768.

The previous prime is 131052226511. The next prime is 131052226573. The reversal of 131052226520 is 25622250131.

131052226520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 3566300 + ... + 3602859.

It is an arithmetic number, because the mean of its divisors is an integer number (9234774225).

Almost surely, 2^131052226520 is an apocalyptic number.

131052226520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131052226520 is an abundant number, since it is smaller than the sum of its proper divisors (164460548680).

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

131052226520 is a wasteful number, since it uses less digits than its factorization.

131052226520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7169627 (or 7169623 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 131052226520 its reverse (25622250131), we get a palindrome (156674476651).

The spelling of 131052226520 in words is "one hundred thirty-one billion, fifty-two million, two hundred twenty-six thousand, five hundred twenty".