131224037 has 16 divisors (see below), whose sum is σ = 159096960. Its totient is φ = 105658368.

The previous prime is 131224021. The next prime is 131224057. The reversal of 131224037 is 730422131.

It is a cyclic number.

It is not a de Polignac number, because 131224037 - 2⁴ = 131224021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131224007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109958 + ... + 111144.

It is an arithmetic number, because the mean of its divisors is an integer number (9943560).

Almost surely, 2^131224037 is an apocalyptic number.

131224037 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

131224037 is a deficient number, since it is larger than the sum of its proper divisors (27872923).

131224037 is a wasteful number, since it uses less digits than its factorization.

131224037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 131224037 is about 11455.3060631307. The cubic root of 131224037 is about 508.1646667391.

Adding to 131224037 its reverse (730422131), we get a palindrome (861646168).

The spelling of 131224037 in words is "one hundred thirty-one million, two hundred twenty-four thousand, thirty-seven".