131241015 has 24 divisors (see below), whose sum is σ = 230694048. Its totient is φ = 69007680.

The previous prime is 131240983. The next prime is 131241017. The reversal of 131241015 is 510142131.

It is not a de Polignac number, because 131241015 - 2⁵ = 131240983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131241017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17344 + ... + 23733.

It is an arithmetic number, because the mean of its divisors is an integer number (9612252).

Almost surely, 2^131241015 is an apocalyptic number.

131241015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131241015 is a deficient number, since it is larger than the sum of its proper divisors (99453033).

131241015 is a wasteful number, since it uses less digits than its factorization.

131241015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41159 (or 41156 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 131241015 is about 11456.0470931295. The cubic root of 131241015 is about 508.1865815444.

Adding to 131241015 its reverse (510142131), we get a palindrome (641383146).

The spelling of 131241015 in words is "one hundred thirty-one million, two hundred forty-one thousand, fifteen".