131532115 has 32 divisors (see below), whose sum is σ = 188116992. Its totient is φ = 87024000.

The previous prime is 131532083. The next prime is 131532127. The reversal of 131532115 is 511235131.

It is not a de Polignac number, because 131532115 - 2⁵ = 131532083 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49470 + ... + 52060.

It is an arithmetic number, because the mean of its divisors is an integer number (5878656).

Almost surely, 2^131532115 is an apocalyptic number.

131532115 is a deficient number, since it is larger than the sum of its proper divisors (56584877).

131532115 is a wasteful number, since it uses less digits than its factorization.

131532115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691.

The product of its digits is 450, while the sum is 22.

The square root of 131532115 is about 11468.7451362388. The cubic root of 131532115 is about 508.5620329579.

Adding to 131532115 its reverse (511235131), we get a palindrome (642767246).

The spelling of 131532115 in words is "one hundred thirty-one million, five hundred thirty-two thousand, one hundred fifteen".