131010427 has 2 divisors, whose sum is σ = 131010428. Its totient is φ = 131010426.

The previous prime is 131010421. The next prime is 131010443. The reversal of 131010427 is 724010131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131010427 is a prime.

It is not a weakly prime, because it can be changed into another prime (131010421) 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, 65505213 + 65505214.

It is an arithmetic number, because the mean of its divisors is an integer number (65505214).

Almost surely, 2^131010427 is an apocalyptic number.

131010427 is a deficient number, since it is larger than the sum of its proper divisors (1).

131010427 is an equidigital number, since it uses as much as digits as its factorization.

131010427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 131010427 is about 11445.9786388059. The cubic root of 131010427 is about 507.8887823052. Note that the first 3 decimals are identical.

Adding to 131010427 its reverse (724010131), we get a palindrome (855020558).

It can be divided in two parts, 1310104 and 27, that added together give a palindrome (1310131).

The spelling of 131010427 in words is "one hundred thirty-one million, ten thousand, four hundred twenty-seven".