131302216100 has 72 divisors (see below), whose sum is σ = 312887015616. Its totient is φ = 47430000000.

The previous prime is 131302216081. The next prime is 131302216117. The reversal of 131302216100 is 1612203131.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229151 + ... + 561350.

Almost surely, 2^131302216100 is an apocalyptic number.

131302216100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131302216100 is an abundant number, since it is smaller than the sum of its proper divisors (181584799516).

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

131302216100 is a wasteful number, since it uses less digits than its factorization.

131302216100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790677 (or 790670 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131302216100 its reverse (1612203131), we get a palindrome (132914419231).

The spelling of 131302216100 in words is "one hundred thirty-one billion, three hundred two million, two hundred sixteen thousand, one hundred".