131143100 has 72 divisors (see below), whose sum is σ = 328760208. Its totient is φ = 44876800.

The previous prime is 131143093. The next prime is 131143123. The reversal of 131143100 is 1341131.

131143100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131143100² = 34397025355220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15194 + ... + 22206.

It is an arithmetic number, because the mean of its divisors is an integer number (4566114).

Almost surely, 2^131143100 is an apocalyptic number.

131143100 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 131143100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164380104).

131143100 is an abundant number, since it is smaller than the sum of its proper divisors (197617108).

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

131143100 is a wasteful number, since it uses less digits than its factorization.

131143100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7055 (or 7048 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 131143100 is about 11451.7727885249. The cubic root of 131143100 is about 508.0601691601.

Adding to 131143100 its reverse (1341131), we get a palindrome (132484231).

The spelling of 131143100 in words is "one hundred thirty-one million, one hundred forty-three thousand, one hundred".