131242024 has 8 divisors (see below), whose sum is σ = 246078810. Its totient is φ = 65621008.

The previous prime is 131241959. The next prime is 131242037. The reversal of 131242024 is 420242131.

It can be written as a sum of positive squares in only one way, i.e., 117029124 + 14212900 = 10818^2 + 3770^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 131241992 and 131242010.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8202619 + ... + 8202634.

Almost surely, 2^131242024 is an apocalyptic number.

It is an amenable number.

131242024 is a deficient number, since it is larger than the sum of its proper divisors (114836786).

131242024 is a wasteful number, since it uses less digits than its factorization.

131242024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16405259 (or 16405255 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 131242024 is about 11456.0911309224. The cubic root of 131242024 is about 508.1878838785.

Adding to 131242024 its reverse (420242131), we get a palindrome (551484155).

The spelling of 131242024 in words is "one hundred thirty-one million, two hundred forty-two thousand, twenty-four".