131432115 has 8 divisors (see below), whose sum is σ = 210291408. Its totient is φ = 70097120.

The previous prime is 131432107. The next prime is 131432129. The reversal of 131432115 is 511234131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131432115 - 2³ = 131432107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131432091 and 131432100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4381056 + ... + 4381085.

It is an arithmetic number, because the mean of its divisors is an integer number (26286426).

Almost surely, 2^131432115 is an apocalyptic number.

131432115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131432115 is a deficient number, since it is larger than the sum of its proper divisors (78859293).

131432115 is an equidigital number, since it uses as much as digits as its factorization.

131432115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8762149.

The product of its digits is 360, while the sum is 21.

The square root of 131432115 is about 11464.3846324170. The cubic root of 131432115 is about 508.4331186952.

Adding to 131432115 its reverse (511234131), we get a palindrome (642666246).

The spelling of 131432115 in words is "one hundred thirty-one million, four hundred thirty-two thousand, one hundred fifteen".