131361101 has 4 divisors (see below), whose sum is σ = 131884704. Its totient is φ = 130837500.

The previous prime is 131361067. The next prime is 131361127. The reversal of 131361101 is 101163131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 101163131 = 23 ⋅4398397.

It is a cyclic number.

It is not a de Polignac number, because 131361101 - 2¹⁰ = 131360077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131361101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131361701) 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, 261425 + ... + 261926.

It is an arithmetic number, because the mean of its divisors is an integer number (32971176).

Almost surely, 2^131361101 is an apocalyptic number.

It is an amenable number.

131361101 is a deficient number, since it is larger than the sum of its proper divisors (523603).

131361101 is an equidigital number, since it uses as much as digits as its factorization.

131361101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523602.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 131361101 is about 11461.2870568711. The cubic root of 131361101 is about 508.3415318096.

The spelling of 131361101 in words is "one hundred thirty-one million, three hundred sixty-one thousand, one hundred one".