131004751 has 2 divisors, whose sum is σ = 131004752. Its totient is φ = 131004750.

The previous prime is 131004749. The next prime is 131004763. The reversal of 131004751 is 157400131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131004751 - 2¹ = 131004749 is a prime.

Together with 131004749, 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 (131004451) 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, 65502375 + 65502376.

It is an arithmetic number, because the mean of its divisors is an integer number (65502376).

Almost surely, 2^131004751 is an apocalyptic number.

131004751 is a deficient number, since it is larger than the sum of its proper divisors (1).

131004751 is an equidigital number, since it uses as much as digits as its factorization.

131004751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 131004751 is about 11445.7306887765. The cubic root of 131004751 is about 507.8814474734.

Adding to 131004751 its reverse (157400131), we get a palindrome (288404882).

The spelling of 131004751 in words is "one hundred thirty-one million, four thousand, seven hundred fifty-one".