131411501 has 4 divisors (see below), whose sum is σ = 141520092. Its totient is φ = 121302912.

The previous prime is 131411491. The next prime is 131411503. The reversal of 131411501 is 105114131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74046025 + 57365476 = 8605^2 + 7574^2 .

It is a cyclic number.

It is not a de Polignac number, because 131411501 - 2²² = 127217197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131411501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131411503) 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, 5054276 + ... + 5054301.

It is an arithmetic number, because the mean of its divisors is an integer number (35380023).

Almost surely, 2^131411501 is an apocalyptic number.

It is an amenable number.

131411501 is a deficient number, since it is larger than the sum of its proper divisors (10108591).

131411501 is a wasteful number, since it uses less digits than its factorization.

131411501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10108590.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 131411501 is about 11463.4855519602. The cubic root of 131411501 is about 508.4065361807.

Adding to 131411501 its reverse (105114131), we get a palindrome (236525632).

The spelling of 131411501 in words is "one hundred thirty-one million, four hundred eleven thousand, five hundred one".