131325220052 has 18 divisors (see below), whose sum is σ = 248857407918. Its totient is φ = 60611639712.

The previous prime is 131325220001. The next prime is 131325220063. The reversal of 131325220052 is 250022523131.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1369296016 + 129955924036 = 37004^2 + 360494^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97133363 + ... + 97134714.

It is an arithmetic number, because the mean of its divisors is an integer number (13825411551).

Almost surely, 2^131325220052 is an apocalyptic number.

It is an amenable number.

131325220052 is a deficient number, since it is larger than the sum of its proper divisors (117532187866).

131325220052 is a wasteful number, since it uses less digits than its factorization.

131325220052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194268107 (or 194268092 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 131325220052 its reverse (250022523131), we get a palindrome (381347743183).

The spelling of 131325220052 in words is "one hundred thirty-one billion, three hundred twenty-five million, two hundred twenty thousand, fifty-two".