131241100 has 18 divisors (see below), whose sum is σ = 284793404. Its totient is φ = 52496400.

The previous prime is 131241053. The next prime is 131241107. The reversal of 131241100 is 1142131.

It is not an unprimeable number, because it can be changed into a prime (131241107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 656106 + ... + 656305.

Almost surely, 2^131241100 is an apocalyptic number.

131241100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131241100 is an abundant number, since it is smaller than the sum of its proper divisors (153552304).

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

131241100 is a wasteful number, since it uses less digits than its factorization.

131241100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312425 (or 1312418 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 131241100 is about 11456.0508029600. The cubic root of 131241100 is about 508.1866912556.

Adding to 131241100 its reverse (1142131), we get a palindrome (132383231).

The spelling of 131241100 in words is "one hundred thirty-one million, two hundred forty-one thousand, one hundred".