131233212031100 has 18 divisors (see below), whose sum is σ = 284776070107704. Its totient is φ = 52493284812400.

The previous prime is 131233212031069. The next prime is 131233212031111. The reversal of 131233212031100 is 1130212332131.

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, 656166060056 + ... + 656166060255.

Almost surely, 2^{131233212031100} is an apocalyptic number.

131233212031100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131233212031100 is an abundant number, since it is smaller than the sum of its proper divisors (153542858076604).

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

131233212031100 is a wasteful number, since it uses less digits than its factorization.

131233212031100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312332120325 (or 1312332120318 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 131233212031100 its reverse (1130212332131), we get a palindrome (132363424363231).

The spelling of 131233212031100 in words is "one hundred thirty-one trillion, two hundred thirty-three billion, two hundred twelve million, thirty-one thousand, one hundred".