131356471 has 2 divisors, whose sum is σ = 131356472. Its totient is φ = 131356470.

The previous prime is 131356469. The next prime is 131356513. The reversal of 131356471 is 174653131.

It is a weak prime.

It is an emirp because it is prime and its reverse (174653131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131356471 - 2¹ = 131356469 is a prime.

It is a super-3 number, since 3×131356471³ (a number of 25 digits) contains 333 as substring.

Together with 131356469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131356411) 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 as a sum of consecutive naturals, namely, 65678235 + 65678236.

It is an arithmetic number, because the mean of its divisors is an integer number (65678236).

Almost surely, 2^131356471 is an apocalyptic number.

131356471 is a deficient number, since it is larger than the sum of its proper divisors (1).

131356471 is an equidigital number, since it uses as much as digits as its factorization.

131356471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 131356471 is about 11461.0850707950. The cubic root of 131356471 is about 508.3355593441.

The spelling of 131356471 in words is "one hundred thirty-one million, three hundred fifty-six thousand, four hundred seventy-one".