131013323 has 4 divisors (see below), whose sum is σ = 149729520. Its totient is φ = 112297128.

The previous prime is 131013317. The next prime is 131013331. The reversal of 131013323 is 323310131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323310131 = 17 ⋅19018243.

It is a cyclic number.

It is not a de Polignac number, because 131013323 - 2⁴ = 131013307 is a prime.

It is a super-3 number, since 3×131013323³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131013343) 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 3 ways as a sum of consecutive naturals, for example, 9358088 + ... + 9358101.

It is an arithmetic number, because the mean of its divisors is an integer number (37432380).

Almost surely, 2^131013323 is an apocalyptic number.

131013323 is a deficient number, since it is larger than the sum of its proper divisors (18716197).

131013323 is an equidigital number, since it uses as much as digits as its factorization.

131013323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18716196.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 131013323 is about 11446.1051454196. The cubic root of 131013323 is about 507.8925245902.

Adding to 131013323 its reverse (323310131), we get a palindrome (454323454).

The spelling of 131013323 in words is "one hundred thirty-one million, thirteen thousand, three hundred twenty-three".