131241732 has 48 divisors (see below), whose sum is σ = 310511040. Its totient is φ = 43141248.

The previous prime is 131241713. The next prime is 131241763. The reversal of 131241732 is 237142131.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 447778 + ... + 448070.

It is an arithmetic number, because the mean of its divisors is an integer number (6468980).

Almost surely, 2^131241732 is an apocalyptic number.

131241732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131241732 is an abundant number, since it is smaller than the sum of its proper divisors (179269308).

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

131241732 is a wasteful number, since it uses less digits than its factorization.

131241732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 690 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 131241732 is about 11456.0783866033. The cubic root of 131241732 is about 508.1875069896.

Adding to 131241732 its reverse (237142131), we get a palindrome (368383863).

The spelling of 131241732 in words is "one hundred thirty-one million, two hundred forty-one thousand, seven hundred thirty-two".