131131101 has 8 divisors (see below), whose sum is σ = 175237920. Its totient is φ = 87222512.

The previous prime is 131131097. The next prime is 131131129. The reversal of 131131101 is 101131131.

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 131131101 - 2² = 131131097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131131001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48006 + ... + 50663.

It is an arithmetic number, because the mean of its divisors is an integer number (21904740).

Almost surely, 2^131131101 is an apocalyptic number.

It is an amenable number.

131131101 is a deficient number, since it is larger than the sum of its proper divisors (44106819).

131131101 is an equidigital number, since it uses as much as digits as its factorization.

131131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99115.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 131131101 is about 11451.2488838554. The cubic root of 131131101 is about 508.0446736190.

Adding to 131131101 its reverse (101131131), we get a palindrome (232262232).

It can be divided in two parts, 131131 and 101, that multiplied together give a palindrome (13244231).

The spelling of 131131101 in words is "one hundred thirty-one million, one hundred thirty-one thousand, one hundred one".