132316531 has 4 divisors (see below), whose sum is σ = 136879200. Its totient is φ = 127753864.

The previous prime is 132316519. The next prime is 132316543. The reversal of 132316531 is 135613231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135613231 = 13 ⋅10431787.

It is an interprime number because it is at equal distance from previous prime (132316519) and next prime (132316543).

It is a cyclic number.

It is not a de Polignac number, because 132316531 - 2¹⁵ = 132283763 is a prime.

It is a super-2 number, since 2×132316531² = 35015328751747922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132316496 and 132316505.

It is not an unprimeable number, because it can be changed into a prime (132316571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2281291 + ... + 2281348.

It is an arithmetic number, because the mean of its divisors is an integer number (34219800).

Almost surely, 2^132316531 is an apocalyptic number.

132316531 is a deficient number, since it is larger than the sum of its proper divisors (4562669).

132316531 is an equidigital number, since it uses as much as digits as its factorization.

132316531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562668.

The product of its digits is 1620, while the sum is 25.

The square root of 132316531 is about 11502.8922884638. The cubic root of 132316531 is about 509.5709976845.

Adding to 132316531 its reverse (135613231), we get a palindrome (267929762).

The spelling of 132316531 in words is "one hundred thirty-two million, three hundred sixteen thousand, five hundred thirty-one".