131240101 has 8 divisors (see below), whose sum is σ = 133117344. Its totient is φ = 129375120.

The previous prime is 131240099. The next prime is 131240113. The reversal of 131240101 is 101042131.

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

It is a cyclic number.

It is not a de Polignac number, because 131240101 - 2¹ = 131240099 is a prime.

It is a super-2 number, since 2×131240101² = 34447928220980402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131240141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19671 + ... + 25483.

It is an arithmetic number, because the mean of its divisors is an integer number (16639668).

Almost surely, 2^131240101 is an apocalyptic number.

It is an amenable number.

131240101 is a deficient number, since it is larger than the sum of its proper divisors (1877243).

131240101 is a wasteful number, since it uses less digits than its factorization.

131240101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6131.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 131240101 is about 11456.0072014642. The cubic root of 131240101 is about 508.1854018227.

Adding to 131240101 its reverse (101042131), we get a palindrome (232282232).

The spelling of 131240101 in words is "one hundred thirty-one million, two hundred forty thousand, one hundred one".