131202134123100 has 36 divisors (see below), whose sum is σ = 379611508063704. Its totient is φ = 34987235766080.

The previous prime is 131202134123077. The next prime is 131202134123153. The reversal of 131202134123100 is 1321431202131.

It is a super-2 number, since 2×131202134123100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218670223239 + ... + 218670223838.

Almost surely, 2^{131202134123100} is an apocalyptic number.

131202134123100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131202134123100 is an abundant number, since it is smaller than the sum of its proper divisors (248409373940604).

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

131202134123100 is a wasteful number, since it uses less digits than its factorization.

131202134123100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437340447094 (or 437340447087 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 131202134123100 its reverse (1321431202131), we get a palindrome (132523565325231).

The spelling of 131202134123100 in words is "one hundred thirty-one trillion, two hundred two billion, one hundred thirty-four million, one hundred twenty-three thousand, one hundred".