131301210100 has 18 divisors (see below), whose sum is σ = 284923626134. Its totient is φ = 52520484000.

The previous prime is 131301210077. The next prime is 131301210107. The reversal of 131301210100 is 1012103131.

It can be written as a sum of positive squares in 3 ways, for example, as 37727623696 + 93573586404 = 194236^2 + 305898^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131301210107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 656505951 + ... + 656506150.

Almost surely, 2^131301210100 is an apocalyptic number.

131301210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131301210100 is an abundant number, since it is smaller than the sum of its proper divisors (153622416034).

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

131301210100 is a wasteful number, since it uses less digits than its factorization.

131301210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313012115 (or 1313012108 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 131301210100 its reverse (1012103131), we get a palindrome (132313313231).

The spelling of 131301210100 in words is "one hundred thirty-one billion, three hundred one million, two hundred ten thousand, one hundred".