131031241 has 4 divisors (see below), whose sum is σ = 142943184. Its totient is φ = 119119300.

The previous prime is 131031227. The next prime is 131031259. The reversal of 131031241 is 142130131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131031241 - 2⁵ = 131031209 is a prime.

It is a super-2 number, since 2×131031241² = 34338372236000162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131061241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5955955 + ... + 5955976.

It is an arithmetic number, because the mean of its divisors is an integer number (35735796).

Almost surely, 2^131031241 is an apocalyptic number.

131031241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131031241 is a deficient number, since it is larger than the sum of its proper divisors (11911943).

131031241 is a wasteful number, since it uses less digits than its factorization.

131031241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11911942.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131031241 is about 11446.8878303231. The cubic root of 131031241 is about 507.9156774605.

Adding to 131031241 its reverse (142130131), we get a palindrome (273161372).

The spelling of 131031241 in words is "one hundred thirty-one million, thirty-one thousand, two hundred forty-one".