131151 has 4 divisors (see below), whose sum is σ = 174872. Its totient is φ = 87432.

The previous prime is 131149. The next prime is 131171. The reversal of 131151 is 151131.

131151 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151131 = 3 ⋅50377.

It is not a de Polignac number, because 131151 - 2¹ = 131149 is a prime.

It is a D-number.

It is a Duffinian number.

131151 is strictly pandigital in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131101) 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, 21856 + ... + 21861.

It is an arithmetic number, because the mean of its divisors is an integer number (43718).

2¹³¹¹⁵¹ is an apocalyptic number.

131151 is a deficient number, since it is larger than the sum of its proper divisors (43721).

131151 is an equidigital number, since it uses as much as digits as its factorization.

131151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43720.

The product of its digits is 15, while the sum is 12.

The square root of 131151 is about 362.1477598992. The cubic root of 131151 is about 50.8070370726.

Adding to 131151 its reverse (151131), we get a palindrome (282282).

It can be divided in two parts, 131 and 151, that added together give a palindrome (282).

The spelling of 131151 in words is "one hundred thirty-one thousand, one hundred fifty-one".