131603627 has 2 divisors, whose sum is σ = 131603628. Its totient is φ = 131603626.

The previous prime is 131603609. The next prime is 131603629. The reversal of 131603627 is 726306131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131603627 - 2⁸ = 131603371 is a prime.

It is a super-3 number, since 3×131603627³ (a number of 25 digits) contains 333 as substring.

Together with 131603629, 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 131603627.

It is not a weakly prime, because it can be changed into another prime (131603629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65801813 + 65801814.

It is an arithmetic number, because the mean of its divisors is an integer number (65801814).

Almost surely, 2^131603627 is an apocalyptic number.

131603627 is a deficient number, since it is larger than the sum of its proper divisors (1).

131603627 is an equidigital number, since it uses as much as digits as its factorization.

131603627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 131603627 is about 11471.8624032892. The cubic root of 131603627 is about 508.6541820606.

Adding to 131603627 its reverse (726306131), we get a palindrome (857909758).

The spelling of 131603627 in words is "one hundred thirty-one million, six hundred three thousand, six hundred twenty-seven".