131116700 has 144 divisors (see below), whose sum is σ = 342540576. Its totient is φ = 42931200.

The previous prime is 131116697. The next prime is 131116709. The reversal of 131116700 is 7611131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131116709) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 757814 + ... + 757986.

It is an arithmetic number, because the mean of its divisors is an integer number (2378754).

Almost surely, 2^131116700 is an apocalyptic number.

131116700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131116700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171270288).

131116700 is an abundant number, since it is smaller than the sum of its proper divisors (211423876).

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

131116700 is a wasteful number, since it uses less digits than its factorization.

131116700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 131116700 is about 11450.6200705464. The cubic root of 131116700 is about 508.0260748804.

Adding to 131116700 its reverse (7611131), we get a palindrome (138727831).

The spelling of 131116700 in words is "one hundred thirty-one million, one hundred sixteen thousand, seven hundred".