131532323 has 8 divisors (see below), whose sum is σ = 143765328. Its totient is φ = 119601504.

The previous prime is 131532311. The next prime is 131532337. The reversal of 131532323 is 323235131.

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 131532323 - 2⁶ = 131532259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131532353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74636 + ... + 76377.

It is an arithmetic number, because the mean of its divisors is an integer number (17970666).

Almost surely, 2^131532323 is an apocalyptic number.

131532323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131532323 is a deficient number, since it is larger than the sum of its proper divisors (12233005).

131532323 is a wasteful number, since it uses less digits than its factorization.

131532323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151093.

The product of its digits is 1620, while the sum is 23.

The square root of 131532323 is about 11468.7542043589. The cubic root of 131532323 is about 508.5623010315.

Adding to 131532323 its reverse (323235131), we get a palindrome (454767454).

The spelling of 131532323 in words is "one hundred thirty-one million, five hundred thirty-two thousand, three hundred twenty-three".