131549323 has 2 divisors, whose sum is σ = 131549324. Its totient is φ = 131549322.

The previous prime is 131549317. The next prime is 131549329. The reversal of 131549323 is 323945131.

It is a balanced prime because it is at equal distance from previous prime (131549317) and next prime (131549329).

It is a cyclic number.

It is not a de Polignac number, because 131549323 - 2⁹ = 131548811 is a prime.

It is not a weakly prime, because it can be changed into another prime (131549329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65774661 + 65774662.

It is an arithmetic number, because the mean of its divisors is an integer number (65774662).

Almost surely, 2^131549323 is an apocalyptic number.

131549323 is a deficient number, since it is larger than the sum of its proper divisors (1).

131549323 is an equidigital number, since it uses as much as digits as its factorization.

131549323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 131549323 is about 11469.4953245555. The cubic root of 131549323 is about 508.5842099344.

The spelling of 131549323 in words is "one hundred thirty-one million, five hundred forty-nine thousand, three hundred twenty-three".