131222332134100 has 18 divisors (see below), whose sum is σ = 284752460731214. Its totient is φ = 52488932853600.

The previous prime is 131222332134083. The next prime is 131222332134119. The reversal of 131222332134100 is 1431233222131.

It can be written as a sum of positive squares in 3 ways, for example, as 28440611684676 + 102781720449424 = 5332974^2 + 10138132^2 .

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, 656111660571 + ... + 656111660770.

Almost surely, 2^{131222332134100} is an apocalyptic number.

131222332134100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131222332134100 is an abundant number, since it is smaller than the sum of its proper divisors (153530128597114).

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

131222332134100 is a wasteful number, since it uses less digits than its factorization.

131222332134100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312223321355 (or 1312223321348 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 131222332134100 its reverse (1431233222131), we get a palindrome (132653565356231).

The spelling of 131222332134100 in words is "one hundred thirty-one trillion, two hundred twenty-two billion, three hundred thirty-two million, one hundred thirty-four thousand, one hundred".