131642351 has 2 divisors, whose sum is σ = 131642352. Its totient is φ = 131642350.

The previous prime is 131642333. The next prime is 131642353. The reversal of 131642351 is 153246131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131642351 - 2¹⁰ = 131641327 is a prime.

Together with 131642353, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131642351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131642353) 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 as a sum of consecutive naturals, namely, 65821175 + 65821176.

It is an arithmetic number, because the mean of its divisors is an integer number (65821176).

Almost surely, 2^131642351 is an apocalyptic number.

131642351 is a deficient number, since it is larger than the sum of its proper divisors (1).

131642351 is an equidigital number, since it uses as much as digits as its factorization.

131642351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 131642351 is about 11473.5500609009. The cubic root of 131642351 is about 508.7040671927.

Adding to 131642351 its reverse (153246131), we get a palindrome (284888482).

The spelling of 131642351 in words is "one hundred thirty-one million, six hundred forty-two thousand, three hundred fifty-one".