918348131 has 2 divisors, whose sum is σ = 918348132. Its totient is φ = 918348130.

The previous prime is 918348091. The next prime is 918348139. The reversal of 918348131 is 131843819.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 918348131 - 2¹⁴ = 918331747 is a prime.

It is a super-2 number, since 2×918348131² = 1686726579422386322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (918348139) 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, 459174065 + 459174066.

It is an arithmetic number, because the mean of its divisors is an integer number (459174066).

Almost surely, 2^918348131 is an apocalyptic number.

918348131 is a deficient number, since it is larger than the sum of its proper divisors (1).

918348131 is an equidigital number, since it uses as much as digits as its factorization.

918348131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 38.

The square root of 918348131 is about 30304.2592880935. The cubic root of 918348131 is about 972.0063798996.

The spelling of 918348131 in words is "nine hundred eighteen million, three hundred forty-eight thousand, one hundred thirty-one".